Home / 5,436.89-7,502.91-3,079.04

Finding the Fourth Proportional to 5,436.89, 7,502.91 and 3,079.04

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Solution

The fourth proportional to 5,436.89, 7,502.91 and 3,079.04 is: 4,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.89 : 7,502.91 = 3,079.04 : x
  2. Step 2: Convert to fraction form
    5,436.89/7,502.91 = 3,079.04/x
  3. Step 3: Cross multiply
    5,436.89x = 7,502.91 × 3,079.04
  4. Step 4: Simplify right side
    5,436.89x = 23,101,722.49
  5. Step 5: Solve for x
    x = 23,101,722.49/5,436.89
  6. Step 6: Final answer
    x = 4,249.07

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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.