Home / 7,335.96-10,122.48-4,149.42

Finding the Fourth Proportional to 7,335.96, 10,122.48 and 4,149.42

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Solution

The fourth proportional to 7,335.96, 10,122.48 and 4,149.42 is: 5,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.96 : 10,122.48 = 4,149.42 : x
  2. Step 2: Convert to fraction form
    7,335.96/10,122.48 = 4,149.42/x
  3. Step 3: Cross multiply
    7,335.96x = 10,122.48 × 4,149.42
  4. Step 4: Simplify right side
    7,335.96x = 42,002,420.96
  5. Step 5: Solve for x
    x = 42,002,420.96/7,335.96
  6. Step 6: Final answer
    x = 5,725.55

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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.