Home / 5,436.74-7,502.28-3,079.10

Finding the Fourth Proportional to 5,436.74, 7,502.28 and 3,079.10

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Solution

The fourth proportional to 5,436.74, 7,502.28 and 3,079.10 is: 4,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.74 : 7,502.28 = 3,079.10 : x
  2. Step 2: Convert to fraction form
    5,436.74/7,502.28 = 3,079.10/x
  3. Step 3: Cross multiply
    5,436.74x = 7,502.28 × 3,079.10
  4. Step 4: Simplify right side
    5,436.74x = 23,100,270.35
  5. Step 5: Solve for x
    x = 23,100,270.35/5,436.74
  6. Step 6: Final answer
    x = 4,248.92

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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.