Home / 3,660.68-5,487.60-1,470.90

Finding the Fourth Proportional to 3,660.68, 5,487.60 and 1,470.90

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Solution

The fourth proportional to 3,660.68, 5,487.60 and 1,470.90 is: 2,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.68 : 5,487.60 = 1,470.90 : x
  2. Step 2: Convert to fraction form
    3,660.68/5,487.60 = 1,470.90/x
  3. Step 3: Cross multiply
    3,660.68x = 5,487.60 × 1,470.90
  4. Step 4: Simplify right side
    3,660.68x = 8,071,710.84
  5. Step 5: Solve for x
    x = 8,071,710.84/3,660.68
  6. Step 6: Final answer
    x = 2,204.98

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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.