Home / 5,371.71-7,412.94-3,013.86

Finding the Fourth Proportional to 5,371.71, 7,412.94 and 3,013.86

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Solution

The fourth proportional to 5,371.71, 7,412.94 and 3,013.86 is: 4,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.71 : 7,412.94 = 3,013.86 : x
  2. Step 2: Convert to fraction form
    5,371.71/7,412.94 = 3,013.86/x
  3. Step 3: Cross multiply
    5,371.71x = 7,412.94 × 3,013.86
  4. Step 4: Simplify right side
    5,371.71x = 22,341,563.35
  5. Step 5: Solve for x
    x = 22,341,563.35/5,371.71
  6. Step 6: Final answer
    x = 4,159.12

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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.