Home / 5,626.17-7,764.66-3,108.87

Finding the Fourth Proportional to 5,626.17, 7,764.66 and 3,108.87

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Solution

The fourth proportional to 5,626.17, 7,764.66 and 3,108.87 is: 4,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.17 : 7,764.66 = 3,108.87 : x
  2. Step 2: Convert to fraction form
    5,626.17/7,764.66 = 3,108.87/x
  3. Step 3: Cross multiply
    5,626.17x = 7,764.66 × 3,108.87
  4. Step 4: Simplify right side
    5,626.17x = 24,139,318.53
  5. Step 5: Solve for x
    x = 24,139,318.53/5,626.17
  6. Step 6: Final answer
    x = 4,290.54

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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.