Home / 3,731.28-5,595.96-1,421.52

Finding the Fourth Proportional to 3,731.28, 5,595.96 and 1,421.52

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Solution

The fourth proportional to 3,731.28, 5,595.96 and 1,421.52 is: 2,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.28 : 5,595.96 = 1,421.52 : x
  2. Step 2: Convert to fraction form
    3,731.28/5,595.96 = 1,421.52/x
  3. Step 3: Cross multiply
    3,731.28x = 5,595.96 × 1,421.52
  4. Step 4: Simplify right side
    3,731.28x = 7,954,769.06
  5. Step 5: Solve for x
    x = 7,954,769.06/3,731.28
  6. Step 6: Final answer
    x = 2,131.91

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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.