Home / 7,655.07-10,565.15-4,672.64

Finding the Fourth Proportional to 7,655.07, 10,565.15 and 4,672.64

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Solution

The fourth proportional to 7,655.07, 10,565.15 and 4,672.64 is: 6,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.07 : 10,565.15 = 4,672.64 : x
  2. Step 2: Convert to fraction form
    7,655.07/10,565.15 = 4,672.64/x
  3. Step 3: Cross multiply
    7,655.07x = 10,565.15 × 4,672.64
  4. Step 4: Simplify right side
    7,655.07x = 49,367,140.97
  5. Step 5: Solve for x
    x = 49,367,140.97/7,655.07
  6. Step 6: Final answer
    x = 6,448.95

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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.