Home / 5,345.73-7,377.02-3,108.41

Finding the Fourth Proportional to 5,345.73, 7,377.02 and 3,108.41

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Solution

The fourth proportional to 5,345.73, 7,377.02 and 3,108.41 is: 4,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.73 : 7,377.02 = 3,108.41 : x
  2. Step 2: Convert to fraction form
    5,345.73/7,377.02 = 3,108.41/x
  3. Step 3: Cross multiply
    5,345.73x = 7,377.02 × 3,108.41
  4. Step 4: Simplify right side
    5,345.73x = 22,930,765.85
  5. Step 5: Solve for x
    x = 22,930,765.85/5,345.73
  6. Step 6: Final answer
    x = 4,289.55

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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.