Home / 7,520.17-10,377.04-4,162.45

Finding the Fourth Proportional to 7,520.17, 10,377.04 and 4,162.45

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Solution

The fourth proportional to 7,520.17, 10,377.04 and 4,162.45 is: 5,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.17 : 10,377.04 = 4,162.45 : x
  2. Step 2: Convert to fraction form
    7,520.17/10,377.04 = 4,162.45/x
  3. Step 3: Cross multiply
    7,520.17x = 10,377.04 × 4,162.45
  4. Step 4: Simplify right side
    7,520.17x = 43,193,910.15
  5. Step 5: Solve for x
    x = 43,193,910.15/7,520.17
  6. Step 6: Final answer
    x = 5,743.74

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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.