Home / 5,292.90-7,937.72-3,659.94

Finding the Fourth Proportional to 5,292.90, 7,937.72 and 3,659.94

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Solution

The fourth proportional to 5,292.90, 7,937.72 and 3,659.94 is: 5,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.90 : 7,937.72 = 3,659.94 : x
  2. Step 2: Convert to fraction form
    5,292.90/7,937.72 = 3,659.94/x
  3. Step 3: Cross multiply
    5,292.90x = 7,937.72 × 3,659.94
  4. Step 4: Simplify right side
    5,292.90x = 29,051,578.94
  5. Step 5: Solve for x
    x = 29,051,578.94/5,292.90
  6. Step 6: Final answer
    x = 5,488.78

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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.