Home / 3,316.76-4,577.14-1,824.78

Finding the Fourth Proportional to 3,316.76, 4,577.14 and 1,824.78

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Solution

The fourth proportional to 3,316.76, 4,577.14 and 1,824.78 is: 2,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.76 : 4,577.14 = 1,824.78 : x
  2. Step 2: Convert to fraction form
    3,316.76/4,577.14 = 1,824.78/x
  3. Step 3: Cross multiply
    3,316.76x = 4,577.14 × 1,824.78
  4. Step 4: Simplify right side
    3,316.76x = 8,352,273.53
  5. Step 5: Solve for x
    x = 8,352,273.53/3,316.76
  6. Step 6: Final answer
    x = 2,518.20

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Half scale
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Double scale
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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.