Home / 1,591.14-2,195.74-882.97

Finding the Fourth Proportional to 1,591.14, 2,195.74 and 882.97

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Solution

The fourth proportional to 1,591.14, 2,195.74 and 882.97 is: 1,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.14 : 2,195.74 = 882.97 : x
  2. Step 2: Convert to fraction form
    1,591.14/2,195.74 = 882.97/x
  3. Step 3: Cross multiply
    1,591.14x = 2,195.74 × 882.97
  4. Step 4: Simplify right side
    1,591.14x = 1,938,772.55
  5. Step 5: Solve for x
    x = 1,938,772.55/1,591.14
  6. Step 6: Final answer
    x = 1,218.48

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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.