Home / 7,470.16-11,202.32-2,538.88

Finding the Fourth Proportional to 7,470.16, 11,202.32 and 2,538.88

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Solution

The fourth proportional to 7,470.16, 11,202.32 and 2,538.88 is: 3,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.16 : 11,202.32 = 2,538.88 : x
  2. Step 2: Convert to fraction form
    7,470.16/11,202.32 = 2,538.88/x
  3. Step 3: Cross multiply
    7,470.16x = 11,202.32 × 2,538.88
  4. Step 4: Simplify right side
    7,470.16x = 28,441,346.20
  5. Step 5: Solve for x
    x = 28,441,346.20/7,470.16
  6. Step 6: Final answer
    x = 3,807.33

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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.