Home / 5,253.18-7,249.32-2,895.36

Finding the Fourth Proportional to 5,253.18, 7,249.32 and 2,895.36

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Solution

The fourth proportional to 5,253.18, 7,249.32 and 2,895.36 is: 3,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.18 : 7,249.32 = 2,895.36 : x
  2. Step 2: Convert to fraction form
    5,253.18/7,249.32 = 2,895.36/x
  3. Step 3: Cross multiply
    5,253.18x = 7,249.32 × 2,895.36
  4. Step 4: Simplify right side
    5,253.18x = 20,989,391.16
  5. Step 5: Solve for x
    x = 20,989,391.16/5,253.18
  6. Step 6: Final answer
    x = 3,995.56

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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.