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Finding the Fourth Proportional to 5,275.99, 7,914.86 and 2,354.19

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Solution

The fourth proportional to 5,275.99, 7,914.86 and 2,354.19 is: 3,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.99 : 7,914.86 = 2,354.19 : x
  2. Step 2: Convert to fraction form
    5,275.99/7,914.86 = 2,354.19/x
  3. Step 3: Cross multiply
    5,275.99x = 7,914.86 × 2,354.19
  4. Step 4: Simplify right side
    5,275.99x = 18,633,084.26
  5. Step 5: Solve for x
    x = 18,633,084.26/5,275.99
  6. Step 6: Final answer
    x = 3,531.68

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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.