Home / 5,342.83-7,371.85-3,103.39

Finding the Fourth Proportional to 5,342.83, 7,371.85 and 3,103.39

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Solution

The fourth proportional to 5,342.83, 7,371.85 and 3,103.39 is: 4,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.83 : 7,371.85 = 3,103.39 : x
  2. Step 2: Convert to fraction form
    5,342.83/7,371.85 = 3,103.39/x
  3. Step 3: Cross multiply
    5,342.83x = 7,371.85 × 3,103.39
  4. Step 4: Simplify right side
    5,342.83x = 22,877,725.57
  5. Step 5: Solve for x
    x = 22,877,725.57/5,342.83
  6. Step 6: Final answer
    x = 4,281.95

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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.