Home / 7,292.68-10,939.76-2,613.10

Finding the Fourth Proportional to 7,292.68, 10,939.76 and 2,613.10

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Solution

The fourth proportional to 7,292.68, 10,939.76 and 2,613.10 is: 3,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.68 : 10,939.76 = 2,613.10 : x
  2. Step 2: Convert to fraction form
    7,292.68/10,939.76 = 2,613.10/x
  3. Step 3: Cross multiply
    7,292.68x = 10,939.76 × 2,613.10
  4. Step 4: Simplify right side
    7,292.68x = 28,586,686.86
  5. Step 5: Solve for x
    x = 28,586,686.86/7,292.68
  6. Step 6: Final answer
    x = 3,919.92

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1.5x scale

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.