Home / 5,436.87-7,502.46-3,079.17

Finding the Fourth Proportional to 5,436.87, 7,502.46 and 3,079.17

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Solution

The fourth proportional to 5,436.87, 7,502.46 and 3,079.17 is: 4,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.87 : 7,502.46 = 3,079.17 : x
  2. Step 2: Convert to fraction form
    5,436.87/7,502.46 = 3,079.17/x
  3. Step 3: Cross multiply
    5,436.87x = 7,502.46 × 3,079.17
  4. Step 4: Simplify right side
    5,436.87x = 23,101,349.76
  5. Step 5: Solve for x
    x = 23,101,349.76/5,436.87
  6. Step 6: Final answer
    x = 4,249.02

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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.