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Finding the Fourth Proportional to 5,244.16, 7,870.92 and 3,941.68

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Solution

The fourth proportional to 5,244.16, 7,870.92 and 3,941.68 is: 5,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.16 : 7,870.92 = 3,941.68 : x
  2. Step 2: Convert to fraction form
    5,244.16/7,870.92 = 3,941.68/x
  3. Step 3: Cross multiply
    5,244.16x = 7,870.92 × 3,941.68
  4. Step 4: Simplify right side
    5,244.16x = 31,024,647.95
  5. Step 5: Solve for x
    x = 31,024,647.95/5,244.16
  6. Step 6: Final answer
    x = 5,916.04

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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.