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Finding the Fourth Proportional to 5,757.60, 8,636.40 and 1,598.65

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Solution

The fourth proportional to 5,757.60, 8,636.40 and 1,598.65 is: 2,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.60 : 8,636.40 = 1,598.65 : x
  2. Step 2: Convert to fraction form
    5,757.60/8,636.40 = 1,598.65/x
  3. Step 3: Cross multiply
    5,757.60x = 8,636.40 × 1,598.65
  4. Step 4: Simplify right side
    5,757.60x = 13,806,607.85
  5. Step 5: Solve for x
    x = 13,806,607.85/5,757.60
  6. Step 6: Final answer
    x = 2,397.98

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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.