Home / 5,464.71-7,541.64-3,107.61

Finding the Fourth Proportional to 5,464.71, 7,541.64 and 3,107.61

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Solution

The fourth proportional to 5,464.71, 7,541.64 and 3,107.61 is: 4,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.71 : 7,541.64 = 3,107.61 : x
  2. Step 2: Convert to fraction form
    5,464.71/7,541.64 = 3,107.61/x
  3. Step 3: Cross multiply
    5,464.71x = 7,541.64 × 3,107.61
  4. Step 4: Simplify right side
    5,464.71x = 23,436,475.88
  5. Step 5: Solve for x
    x = 23,436,475.88/5,464.71
  6. Step 6: Final answer
    x = 4,288.70

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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.