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Finding the Fourth Proportional to 4,253.86, 5,868.17 and 2,762.60

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Solution

The fourth proportional to 4,253.86, 5,868.17 and 2,762.60 is: 3,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.86 : 5,868.17 = 2,762.60 : x
  2. Step 2: Convert to fraction form
    4,253.86/5,868.17 = 2,762.60/x
  3. Step 3: Cross multiply
    4,253.86x = 5,868.17 × 2,762.60
  4. Step 4: Simplify right side
    4,253.86x = 16,211,407.30
  5. Step 5: Solve for x
    x = 16,211,407.30/4,253.86
  6. Step 6: Final answer
    x = 3,810.99

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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.