Home / 5,294.98-7,937.31-2,520.91

Finding the Fourth Proportional to 5,294.98, 7,937.31 and 2,520.91

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Solution

The fourth proportional to 5,294.98, 7,937.31 and 2,520.91 is: 3,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.98 : 7,937.31 = 2,520.91 : x
  2. Step 2: Convert to fraction form
    5,294.98/7,937.31 = 2,520.91/x
  3. Step 3: Cross multiply
    5,294.98x = 7,937.31 × 2,520.91
  4. Step 4: Simplify right side
    5,294.98x = 20,009,263.64
  5. Step 5: Solve for x
    x = 20,009,263.64/5,294.98
  6. Step 6: Final answer
    x = 3,778.91

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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.