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Finding the Fourth Proportional to 4,335.65, 5,983.86 and 2,847.87

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Solution

The fourth proportional to 4,335.65, 5,983.86 and 2,847.87 is: 3,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.65 : 5,983.86 = 2,847.87 : x
  2. Step 2: Convert to fraction form
    4,335.65/5,983.86 = 2,847.87/x
  3. Step 3: Cross multiply
    4,335.65x = 5,983.86 × 2,847.87
  4. Step 4: Simplify right side
    4,335.65x = 17,041,255.38
  5. Step 5: Solve for x
    x = 17,041,255.38/4,335.65
  6. Step 6: Final answer
    x = 3,930.50

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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.