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Finding the Fourth Proportional to 2,937.96, 4,405.80 and 1,182.96

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Solution

The fourth proportional to 2,937.96, 4,405.80 and 1,182.96 is: 1,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.96 : 4,405.80 = 1,182.96 : x
  2. Step 2: Convert to fraction form
    2,937.96/4,405.80 = 1,182.96/x
  3. Step 3: Cross multiply
    2,937.96x = 4,405.80 × 1,182.96
  4. Step 4: Simplify right side
    2,937.96x = 5,211,885.17
  5. Step 5: Solve for x
    x = 5,211,885.17/2,937.96
  6. Step 6: Final answer
    x = 1,773.98

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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.