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Finding the Fourth Proportional to 5,437.64, 8,155.98 and 1,974.92

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Solution

The fourth proportional to 5,437.64, 8,155.98 and 1,974.92 is: 2,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.64 : 8,155.98 = 1,974.92 : x
  2. Step 2: Convert to fraction form
    5,437.64/8,155.98 = 1,974.92/x
  3. Step 3: Cross multiply
    5,437.64x = 8,155.98 × 1,974.92
  4. Step 4: Simplify right side
    5,437.64x = 16,107,408.02
  5. Step 5: Solve for x
    x = 16,107,408.02/5,437.64
  6. Step 6: Final answer
    x = 2,962.21

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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.