Home / 2,092.12-2,887.02-1,147.89

Finding the Fourth Proportional to 2,092.12, 2,887.02 and 1,147.89

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Solution

The fourth proportional to 2,092.12, 2,887.02 and 1,147.89 is: 1,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.12 : 2,887.02 = 1,147.89 : x
  2. Step 2: Convert to fraction form
    2,092.12/2,887.02 = 1,147.89/x
  3. Step 3: Cross multiply
    2,092.12x = 2,887.02 × 1,147.89
  4. Step 4: Simplify right side
    2,092.12x = 3,313,968.39
  5. Step 5: Solve for x
    x = 3,313,968.39/2,092.12
  6. Step 6: Final answer
    x = 1,584.03

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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.