Home / 2,332.28-3,498.14-688.79

Finding the Fourth Proportional to 2,332.28, 3,498.14 and 688.79

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Solution

The fourth proportional to 2,332.28, 3,498.14 and 688.79 is: 1,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.28 : 3,498.14 = 688.79 : x
  2. Step 2: Convert to fraction form
    2,332.28/3,498.14 = 688.79/x
  3. Step 3: Cross multiply
    2,332.28x = 3,498.14 × 688.79
  4. Step 4: Simplify right side
    2,332.28x = 2,409,462.92
  5. Step 5: Solve for x
    x = 2,409,462.92/2,332.28
  6. Step 6: Final answer
    x = 1,033.10

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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.