Home / 3,711.24-5,560.74-1,860.48

Finding the Fourth Proportional to 3,711.24, 5,560.74 and 1,860.48

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Solution

The fourth proportional to 3,711.24, 5,560.74 and 1,860.48 is: 2,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.24 : 5,560.74 = 1,860.48 : x
  2. Step 2: Convert to fraction form
    3,711.24/5,560.74 = 1,860.48/x
  3. Step 3: Cross multiply
    3,711.24x = 5,560.74 × 1,860.48
  4. Step 4: Simplify right side
    3,711.24x = 10,345,645.56
  5. Step 5: Solve for x
    x = 10,345,645.56/3,711.24
  6. Step 6: Final answer
    x = 2,787.65

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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.