Home / 3,088.62-4,632.72-1,240.56

Finding the Fourth Proportional to 3,088.62, 4,632.72 and 1,240.56

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Solution

The fourth proportional to 3,088.62, 4,632.72 and 1,240.56 is: 1,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.62 : 4,632.72 = 1,240.56 : x
  2. Step 2: Convert to fraction form
    3,088.62/4,632.72 = 1,240.56/x
  3. Step 3: Cross multiply
    3,088.62x = 4,632.72 × 1,240.56
  4. Step 4: Simplify right side
    3,088.62x = 5,747,167.12
  5. Step 5: Solve for x
    x = 5,747,167.12/3,088.62
  6. Step 6: Final answer
    x = 1,860.76

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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.