Home / 5,759.10-7,947.01-3,240.63

Finding the Fourth Proportional to 5,759.10, 7,947.01 and 3,240.63

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Solution

The fourth proportional to 5,759.10, 7,947.01 and 3,240.63 is: 4,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.10 : 7,947.01 = 3,240.63 : x
  2. Step 2: Convert to fraction form
    5,759.10/7,947.01 = 3,240.63/x
  3. Step 3: Cross multiply
    5,759.10x = 7,947.01 × 3,240.63
  4. Step 4: Simplify right side
    5,759.10x = 25,753,345.42
  5. Step 5: Solve for x
    x = 25,753,345.42/5,759.10
  6. Step 6: Final answer
    x = 4,471.77

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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.