Home / 7,331.40-10,117.68-4,144.82

Finding the Fourth Proportional to 7,331.40, 10,117.68 and 4,144.82

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Solution

The fourth proportional to 7,331.40, 10,117.68 and 4,144.82 is: 5,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.40 : 10,117.68 = 4,144.82 : x
  2. Step 2: Convert to fraction form
    7,331.40/10,117.68 = 4,144.82/x
  3. Step 3: Cross multiply
    7,331.40x = 10,117.68 × 4,144.82
  4. Step 4: Simplify right side
    7,331.40x = 41,935,962.42
  5. Step 5: Solve for x
    x = 41,935,962.42/7,331.40
  6. Step 6: Final answer
    x = 5,720.05

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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.