Home / 5,042.13-7,560.90-2,118.84

Finding the Fourth Proportional to 5,042.13, 7,560.90 and 2,118.84

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Solution

The fourth proportional to 5,042.13, 7,560.90 and 2,118.84 is: 3,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.13 : 7,560.90 = 2,118.84 : x
  2. Step 2: Convert to fraction form
    5,042.13/7,560.90 = 2,118.84/x
  3. Step 3: Cross multiply
    5,042.13x = 7,560.90 × 2,118.84
  4. Step 4: Simplify right side
    5,042.13x = 16,020,337.36
  5. Step 5: Solve for x
    x = 16,020,337.36/5,042.13
  6. Step 6: Final answer
    x = 3,177.30

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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.