Home / 2,530.28-3,792.14-2,185.80

Finding the Fourth Proportional to 2,530.28, 3,792.14 and 2,185.80

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Solution

The fourth proportional to 2,530.28, 3,792.14 and 2,185.80 is: 3,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.28 : 3,792.14 = 2,185.80 : x
  2. Step 2: Convert to fraction form
    2,530.28/3,792.14 = 2,185.80/x
  3. Step 3: Cross multiply
    2,530.28x = 3,792.14 × 2,185.80
  4. Step 4: Simplify right side
    2,530.28x = 8,288,859.61
  5. Step 5: Solve for x
    x = 8,288,859.61/2,530.28
  6. Step 6: Final answer
    x = 3,275.87

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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.