Home / 7,708.64-11,569.52-3,031.92

Finding the Fourth Proportional to 7,708.64, 11,569.52 and 3,031.92

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Solution

The fourth proportional to 7,708.64, 11,569.52 and 3,031.92 is: 4,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.64 : 11,569.52 = 3,031.92 : x
  2. Step 2: Convert to fraction form
    7,708.64/11,569.52 = 3,031.92/x
  3. Step 3: Cross multiply
    7,708.64x = 11,569.52 × 3,031.92
  4. Step 4: Simplify right side
    7,708.64x = 35,077,843.92
  5. Step 5: Solve for x
    x = 35,077,843.92/7,708.64
  6. Step 6: Final answer
    x = 4,550.46

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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.