Home / 2,525.28-3,781.50-2,113.38

Finding the Fourth Proportional to 2,525.28, 3,781.50 and 2,113.38

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Solution

The fourth proportional to 2,525.28, 3,781.50 and 2,113.38 is: 3,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.28 : 3,781.50 = 2,113.38 : x
  2. Step 2: Convert to fraction form
    2,525.28/3,781.50 = 2,113.38/x
  3. Step 3: Cross multiply
    2,525.28x = 3,781.50 × 2,113.38
  4. Step 4: Simplify right side
    2,525.28x = 7,991,746.47
  5. Step 5: Solve for x
    x = 7,991,746.47/2,525.28
  6. Step 6: Final answer
    x = 3,164.70

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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.