Home / 2,098.96-2,896.68-1,259.92

Finding the Fourth Proportional to 2,098.96, 2,896.68 and 1,259.92

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Solution

The fourth proportional to 2,098.96, 2,896.68 and 1,259.92 is: 1,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.96 : 2,896.68 = 1,259.92 : x
  2. Step 2: Convert to fraction form
    2,098.96/2,896.68 = 1,259.92/x
  3. Step 3: Cross multiply
    2,098.96x = 2,896.68 × 1,259.92
  4. Step 4: Simplify right side
    2,098.96x = 3,649,585.07
  5. Step 5: Solve for x
    x = 3,649,585.07/2,098.96
  6. Step 6: Final answer
    x = 1,738.76

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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.