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Finding the Fourth Proportional to 4,191.65, 6,287.17 and 1,693.01

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Solution

The fourth proportional to 4,191.65, 6,287.17 and 1,693.01 is: 2,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.65 : 6,287.17 = 1,693.01 : x
  2. Step 2: Convert to fraction form
    4,191.65/6,287.17 = 1,693.01/x
  3. Step 3: Cross multiply
    4,191.65x = 6,287.17 × 1,693.01
  4. Step 4: Simplify right side
    4,191.65x = 10,644,233.22
  5. Step 5: Solve for x
    x = 10,644,233.22/4,191.65
  6. Step 6: Final answer
    x = 2,539.39

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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.