Home / 3,641.74-5,021.62-2,460.76

Finding the Fourth Proportional to 3,641.74, 5,021.62 and 2,460.76

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Solution

The fourth proportional to 3,641.74, 5,021.62 and 2,460.76 is: 3,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.74 : 5,021.62 = 2,460.76 : x
  2. Step 2: Convert to fraction form
    3,641.74/5,021.62 = 2,460.76/x
  3. Step 3: Cross multiply
    3,641.74x = 5,021.62 × 2,460.76
  4. Step 4: Simplify right side
    3,641.74x = 12,356,989.33
  5. Step 5: Solve for x
    x = 12,356,989.33/3,641.74
  6. Step 6: Final answer
    x = 3,393.16

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Find fourth proportional to 1,820.87, 2,510.81 and 1,230.38
Half scale
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Double scale
Find fourth proportional to 3,642.74, 5,022.99 and 2,461.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.