Home / 5,371.42-7,412.88-3,013.70

Finding the Fourth Proportional to 5,371.42, 7,412.88 and 3,013.70

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Solution

The fourth proportional to 5,371.42, 7,412.88 and 3,013.70 is: 4,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.42 : 7,412.88 = 3,013.70 : x
  2. Step 2: Convert to fraction form
    5,371.42/7,412.88 = 3,013.70/x
  3. Step 3: Cross multiply
    5,371.42x = 7,412.88 × 3,013.70
  4. Step 4: Simplify right side
    5,371.42x = 22,340,196.46
  5. Step 5: Solve for x
    x = 22,340,196.46/5,371.42
  6. Step 6: Final answer
    x = 4,159.09

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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.