Home / 5,253.29-7,249.47-2,895.38

Finding the Fourth Proportional to 5,253.29, 7,249.47 and 2,895.38

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Solution

The fourth proportional to 5,253.29, 7,249.47 and 2,895.38 is: 3,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.29 : 7,249.47 = 2,895.38 : x
  2. Step 2: Convert to fraction form
    5,253.29/7,249.47 = 2,895.38/x
  3. Step 3: Cross multiply
    5,253.29x = 7,249.47 × 2,895.38
  4. Step 4: Simplify right side
    5,253.29x = 20,989,970.45
  5. Step 5: Solve for x
    x = 20,989,970.45/5,253.29
  6. Step 6: Final answer
    x = 3,995.59

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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.