Home / 5,470.28-8,202.52-1,772.04

Finding the Fourth Proportional to 5,470.28, 8,202.52 and 1,772.04

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Solution

The fourth proportional to 5,470.28, 8,202.52 and 1,772.04 is: 2,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.28 : 8,202.52 = 1,772.04 : x
  2. Step 2: Convert to fraction form
    5,470.28/8,202.52 = 1,772.04/x
  3. Step 3: Cross multiply
    5,470.28x = 8,202.52 × 1,772.04
  4. Step 4: Simplify right side
    5,470.28x = 14,535,193.54
  5. Step 5: Solve for x
    x = 14,535,193.54/5,470.28
  6. Step 6: Final answer
    x = 2,657.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.