Home / 7,132.60-9,842.70-4,148.52

Finding the Fourth Proportional to 7,132.60, 9,842.70 and 4,148.52

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Solution

The fourth proportional to 7,132.60, 9,842.70 and 4,148.52 is: 5,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.60 : 9,842.70 = 4,148.52 : x
  2. Step 2: Convert to fraction form
    7,132.60/9,842.70 = 4,148.52/x
  3. Step 3: Cross multiply
    7,132.60x = 9,842.70 × 4,148.52
  4. Step 4: Simplify right side
    7,132.60x = 40,832,637.80
  5. Step 5: Solve for x
    x = 40,832,637.80/7,132.60
  6. Step 6: Final answer
    x = 5,724.79

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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.