Home / 5,081.74-7,617.44-3,438.45

Finding the Fourth Proportional to 5,081.74, 7,617.44 and 3,438.45

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Solution

The fourth proportional to 5,081.74, 7,617.44 and 3,438.45 is: 5,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.74 : 7,617.44 = 3,438.45 : x
  2. Step 2: Convert to fraction form
    5,081.74/7,617.44 = 3,438.45/x
  3. Step 3: Cross multiply
    5,081.74x = 7,617.44 × 3,438.45
  4. Step 4: Simplify right side
    5,081.74x = 26,192,195.16
  5. Step 5: Solve for x
    x = 26,192,195.16/5,081.74
  6. Step 6: Final answer
    x = 5,154.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.