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Finding the Fourth Proportional to 2,437.90, 3,656.86 and 794.42

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Solution

The fourth proportional to 2,437.90, 3,656.86 and 794.42 is: 1,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.90 : 3,656.86 = 794.42 : x
  2. Step 2: Convert to fraction form
    2,437.90/3,656.86 = 794.42/x
  3. Step 3: Cross multiply
    2,437.90x = 3,656.86 × 794.42
  4. Step 4: Simplify right side
    2,437.90x = 2,905,082.72
  5. Step 5: Solve for x
    x = 2,905,082.72/2,437.90
  6. Step 6: Final answer
    x = 1,191.63

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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.