Home / 5,049.64-7,574.18-2,086.80

Finding the Fourth Proportional to 5,049.64, 7,574.18 and 2,086.80

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Solution

The fourth proportional to 5,049.64, 7,574.18 and 2,086.80 is: 3,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.64 : 7,574.18 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    5,049.64/7,574.18 = 2,086.80/x
  3. Step 3: Cross multiply
    5,049.64x = 7,574.18 × 2,086.80
  4. Step 4: Simplify right side
    5,049.64x = 15,805,759.99
  5. Step 5: Solve for x
    x = 15,805,759.99/5,049.64
  6. Step 6: Final answer
    x = 3,130.08

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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.