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Finding the Fourth Proportional to 5,507.99, 7,601.04 and 2,990.10

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Solution

The fourth proportional to 5,507.99, 7,601.04 and 2,990.10 is: 4,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.99 : 7,601.04 = 2,990.10 : x
  2. Step 2: Convert to fraction form
    5,507.99/7,601.04 = 2,990.10/x
  3. Step 3: Cross multiply
    5,507.99x = 7,601.04 × 2,990.10
  4. Step 4: Simplify right side
    5,507.99x = 22,727,869.70
  5. Step 5: Solve for x
    x = 22,727,869.70/5,507.99
  6. Step 6: Final answer
    x = 4,126.35

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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.