Home / 5,471.74-7,551.19-3,113.83

Finding the Fourth Proportional to 5,471.74, 7,551.19 and 3,113.83

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Solution

The fourth proportional to 5,471.74, 7,551.19 and 3,113.83 is: 4,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.74 : 7,551.19 = 3,113.83 : x
  2. Step 2: Convert to fraction form
    5,471.74/7,551.19 = 3,113.83/x
  3. Step 3: Cross multiply
    5,471.74x = 7,551.19 × 3,113.83
  4. Step 4: Simplify right side
    5,471.74x = 23,513,121.96
  5. Step 5: Solve for x
    x = 23,513,121.96/5,471.74
  6. Step 6: Final answer
    x = 4,297.19

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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.