Home / 5,371.59-7,412.85-3,013.79

Finding the Fourth Proportional to 5,371.59, 7,412.85 and 3,013.79

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Solution

The fourth proportional to 5,371.59, 7,412.85 and 3,013.79 is: 4,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.59 : 7,412.85 = 3,013.79 : x
  2. Step 2: Convert to fraction form
    5,371.59/7,412.85 = 3,013.79/x
  3. Step 3: Cross multiply
    5,371.59x = 7,412.85 × 3,013.79
  4. Step 4: Simplify right side
    5,371.59x = 22,340,736.14
  5. Step 5: Solve for x
    x = 22,340,736.14/5,371.59
  6. Step 6: Final answer
    x = 4,159.05

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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.