Home / 5,732.20-7,910.90-3,374.80

Finding the Fourth Proportional to 5,732.20, 7,910.90 and 3,374.80

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Solution

The fourth proportional to 5,732.20, 7,910.90 and 3,374.80 is: 4,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.20 : 7,910.90 = 3,374.80 : x
  2. Step 2: Convert to fraction form
    5,732.20/7,910.90 = 3,374.80/x
  3. Step 3: Cross multiply
    5,732.20x = 7,910.90 × 3,374.80
  4. Step 4: Simplify right side
    5,732.20x = 26,697,705.32
  5. Step 5: Solve for x
    x = 26,697,705.32/5,732.20
  6. Step 6: Final answer
    x = 4,657.50

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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.