Home / 5,320.41-7,937.10-4,942.85

Finding the Fourth Proportional to 5,320.41, 7,937.10 and 4,942.85

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Solution

The fourth proportional to 5,320.41, 7,937.10 and 4,942.85 is: 7,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.41 : 7,937.10 = 4,942.85 : x
  2. Step 2: Convert to fraction form
    5,320.41/7,937.10 = 4,942.85/x
  3. Step 3: Cross multiply
    5,320.41x = 7,937.10 × 4,942.85
  4. Step 4: Simplify right side
    5,320.41x = 39,231,884.32
  5. Step 5: Solve for x
    x = 39,231,884.32/5,320.41
  6. Step 6: Final answer
    x = 7,373.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.