Home / 2,092.65-2,887.75-1,253.39

Finding the Fourth Proportional to 2,092.65, 2,887.75 and 1,253.39

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Solution

The fourth proportional to 2,092.65, 2,887.75 and 1,253.39 is: 1,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.65 : 2,887.75 = 1,253.39 : x
  2. Step 2: Convert to fraction form
    2,092.65/2,887.75 = 1,253.39/x
  3. Step 3: Cross multiply
    2,092.65x = 2,887.75 × 1,253.39
  4. Step 4: Simplify right side
    2,092.65x = 3,619,464.10
  5. Step 5: Solve for x
    x = 3,619,464.10/2,092.65
  6. Step 6: Final answer
    x = 1,729.61

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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.