Home / 2,750.16-3,794.28-1,687.92

Finding the Fourth Proportional to 2,750.16, 3,794.28 and 1,687.92

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Solution

The fourth proportional to 2,750.16, 3,794.28 and 1,687.92 is: 2,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.16 : 3,794.28 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    2,750.16/3,794.28 = 1,687.92/x
  3. Step 3: Cross multiply
    2,750.16x = 3,794.28 × 1,687.92
  4. Step 4: Simplify right side
    2,750.16x = 6,404,441.10
  5. Step 5: Solve for x
    x = 6,404,441.10/2,750.16
  6. Step 6: Final answer
    x = 2,328.75

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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.