Home / 5,471.91-7,551.09-3,114.81

Finding the Fourth Proportional to 5,471.91, 7,551.09 and 3,114.81

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Solution

The fourth proportional to 5,471.91, 7,551.09 and 3,114.81 is: 4,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.91 : 7,551.09 = 3,114.81 : x
  2. Step 2: Convert to fraction form
    5,471.91/7,551.09 = 3,114.81/x
  3. Step 3: Cross multiply
    5,471.91x = 7,551.09 × 3,114.81
  4. Step 4: Simplify right side
    5,471.91x = 23,520,210.64
  5. Step 5: Solve for x
    x = 23,520,210.64/5,471.91
  6. Step 6: Final answer
    x = 4,298.35

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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.