Home / 5,471.10-7,550.15-3,113.19

Finding the Fourth Proportional to 5,471.10, 7,550.15 and 3,113.19

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Solution

The fourth proportional to 5,471.10, 7,550.15 and 3,113.19 is: 4,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.10 : 7,550.15 = 3,113.19 : x
  2. Step 2: Convert to fraction form
    5,471.10/7,550.15 = 3,113.19/x
  3. Step 3: Cross multiply
    5,471.10x = 7,550.15 × 3,113.19
  4. Step 4: Simplify right side
    5,471.10x = 23,505,035.91
  5. Step 5: Solve for x
    x = 23,505,035.91/5,471.10
  6. Step 6: Final answer
    x = 4,296.22

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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.