Home / 3,722.84-5,137.52-2,543.88

Finding the Fourth Proportional to 3,722.84, 5,137.52 and 2,543.88

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Solution

The fourth proportional to 3,722.84, 5,137.52 and 2,543.88 is: 3,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.84 : 5,137.52 = 2,543.88 : x
  2. Step 2: Convert to fraction form
    3,722.84/5,137.52 = 2,543.88/x
  3. Step 3: Cross multiply
    3,722.84x = 5,137.52 × 2,543.88
  4. Step 4: Simplify right side
    3,722.84x = 13,069,234.38
  5. Step 5: Solve for x
    x = 13,069,234.38/3,722.84
  6. Step 6: Final answer
    x = 3,510.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.