Home / 4,753.85-7,131.86-2,290.74

Finding the Fourth Proportional to 4,753.85, 7,131.86 and 2,290.74

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Solution

The fourth proportional to 4,753.85, 7,131.86 and 2,290.74 is: 3,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.85 : 7,131.86 = 2,290.74 : x
  2. Step 2: Convert to fraction form
    4,753.85/7,131.86 = 2,290.74/x
  3. Step 3: Cross multiply
    4,753.85x = 7,131.86 × 2,290.74
  4. Step 4: Simplify right side
    4,753.85x = 16,337,242.70
  5. Step 5: Solve for x
    x = 16,337,242.70/4,753.85
  6. Step 6: Final answer
    x = 3,436.64

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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.