Home / 4,087.76-5,641.10-2,224.76

Finding the Fourth Proportional to 4,087.76, 5,641.10 and 2,224.76

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Solution

The fourth proportional to 4,087.76, 5,641.10 and 2,224.76 is: 3,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.76 : 5,641.10 = 2,224.76 : x
  2. Step 2: Convert to fraction form
    4,087.76/5,641.10 = 2,224.76/x
  3. Step 3: Cross multiply
    4,087.76x = 5,641.10 × 2,224.76
  4. Step 4: Simplify right side
    4,087.76x = 12,550,093.64
  5. Step 5: Solve for x
    x = 12,550,093.64/4,087.76
  6. Step 6: Final answer
    x = 3,070.16

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Half scale
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Double scale
Find fourth proportional to 4,088.76, 5,642.48 and 2,225.76
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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.