Home / 7,691.25-10,613.21-4,333.52

Finding the Fourth Proportional to 7,691.25, 10,613.21 and 4,333.52

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Solution

The fourth proportional to 7,691.25, 10,613.21 and 4,333.52 is: 5,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.25 : 10,613.21 = 4,333.52 : x
  2. Step 2: Convert to fraction form
    7,691.25/10,613.21 = 4,333.52/x
  3. Step 3: Cross multiply
    7,691.25x = 10,613.21 × 4,333.52
  4. Step 4: Simplify right side
    7,691.25x = 45,992,483.07
  5. Step 5: Solve for x
    x = 45,992,483.07/7,691.25
  6. Step 6: Final answer
    x = 5,979.85

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1.5x scale

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.