Home / 5,253.48-7,249.86-2,895.66

Finding the Fourth Proportional to 5,253.48, 7,249.86 and 2,895.66

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Solution

The fourth proportional to 5,253.48, 7,249.86 and 2,895.66 is: 3,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.48 : 7,249.86 = 2,895.66 : x
  2. Step 2: Convert to fraction form
    5,253.48/7,249.86 = 2,895.66/x
  3. Step 3: Cross multiply
    5,253.48x = 7,249.86 × 2,895.66
  4. Step 4: Simplify right side
    5,253.48x = 20,993,129.61
  5. Step 5: Solve for x
    x = 20,993,129.61/5,253.48
  6. Step 6: Final answer
    x = 3,996.04

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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.