Home / 7,385.20-10,195.34-5,702.83

Finding the Fourth Proportional to 7,385.20, 10,195.34 and 5,702.83

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Solution

The fourth proportional to 7,385.20, 10,195.34 and 5,702.83 is: 7,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.20 : 10,195.34 = 5,702.83 : x
  2. Step 2: Convert to fraction form
    7,385.20/10,195.34 = 5,702.83/x
  3. Step 3: Cross multiply
    7,385.20x = 10,195.34 × 5,702.83
  4. Step 4: Simplify right side
    7,385.20x = 58,142,236.81
  5. Step 5: Solve for x
    x = 58,142,236.81/7,385.20
  6. Step 6: Final answer
    x = 7,872.81

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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.