Home / 5,373.20-7,414.88-3,015.30

Finding the Fourth Proportional to 5,373.20, 7,414.88 and 3,015.30

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Solution

The fourth proportional to 5,373.20, 7,414.88 and 3,015.30 is: 4,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.20 : 7,414.88 = 3,015.30 : x
  2. Step 2: Convert to fraction form
    5,373.20/7,414.88 = 3,015.30/x
  3. Step 3: Cross multiply
    5,373.20x = 7,414.88 × 3,015.30
  4. Step 4: Simplify right side
    5,373.20x = 22,358,087.66
  5. Step 5: Solve for x
    x = 22,358,087.66/5,373.20
  6. Step 6: Final answer
    x = 4,161.04

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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.