Home / 7,357.89-10,153.84-4,000.70

Finding the Fourth Proportional to 7,357.89, 10,153.84 and 4,000.70

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Solution

The fourth proportional to 7,357.89, 10,153.84 and 4,000.70 is: 5,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.89 : 10,153.84 = 4,000.70 : x
  2. Step 2: Convert to fraction form
    7,357.89/10,153.84 = 4,000.70/x
  3. Step 3: Cross multiply
    7,357.89x = 10,153.84 × 4,000.70
  4. Step 4: Simplify right side
    7,357.89x = 40,622,487.97
  5. Step 5: Solve for x
    x = 40,622,487.97/7,357.89
  6. Step 6: Final answer
    x = 5,520.94

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Half scale
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Similar ratio
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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.