Home / 3,687.48-5,088.87-2,008.98

Finding the Fourth Proportional to 3,687.48, 5,088.87 and 2,008.98

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Solution

The fourth proportional to 3,687.48, 5,088.87 and 2,008.98 is: 2,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.48 : 5,088.87 = 2,008.98 : x
  2. Step 2: Convert to fraction form
    3,687.48/5,088.87 = 2,008.98/x
  3. Step 3: Cross multiply
    3,687.48x = 5,088.87 × 2,008.98
  4. Step 4: Simplify right side
    3,687.48x = 10,223,438.05
  5. Step 5: Solve for x
    x = 10,223,438.05/3,687.48
  6. Step 6: Final answer
    x = 2,772.47

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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.