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Finding the Fourth Proportional to 5,856.45, 8,079.63 and 3,731.60

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Solution

The fourth proportional to 5,856.45, 8,079.63 and 3,731.60 is: 5,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.45 : 8,079.63 = 3,731.60 : x
  2. Step 2: Convert to fraction form
    5,856.45/8,079.63 = 3,731.60/x
  3. Step 3: Cross multiply
    5,856.45x = 8,079.63 × 3,731.60
  4. Step 4: Simplify right side
    5,856.45x = 30,149,947.31
  5. Step 5: Solve for x
    x = 30,149,947.31/5,856.45
  6. Step 6: Final answer
    x = 5,148.16

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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.