Home / 5,856.31-8,785.28-2,392.75

Finding the Fourth Proportional to 5,856.31, 8,785.28 and 2,392.75

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Solution

The fourth proportional to 5,856.31, 8,785.28 and 2,392.75 is: 3,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.31 : 8,785.28 = 2,392.75 : x
  2. Step 2: Convert to fraction form
    5,856.31/8,785.28 = 2,392.75/x
  3. Step 3: Cross multiply
    5,856.31x = 8,785.28 × 2,392.75
  4. Step 4: Simplify right side
    5,856.31x = 21,020,978.72
  5. Step 5: Solve for x
    x = 21,020,978.72/5,856.31
  6. Step 6: Final answer
    x = 3,589.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.