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Finding the Fourth Proportional to 4,340.99, 5,990.55 and 2,351.55

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Solution

The fourth proportional to 4,340.99, 5,990.55 and 2,351.55 is: 3,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.99 : 5,990.55 = 2,351.55 : x
  2. Step 2: Convert to fraction form
    4,340.99/5,990.55 = 2,351.55/x
  3. Step 3: Cross multiply
    4,340.99x = 5,990.55 × 2,351.55
  4. Step 4: Simplify right side
    4,340.99x = 14,087,077.85
  5. Step 5: Solve for x
    x = 14,087,077.85/4,340.99
  6. Step 6: Final answer
    x = 3,245.13

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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.