Home / 1,591.08-2,195.66-892.44

Finding the Fourth Proportional to 1,591.08, 2,195.66 and 892.44

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Solution

The fourth proportional to 1,591.08, 2,195.66 and 892.44 is: 1,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.08 : 2,195.66 = 892.44 : x
  2. Step 2: Convert to fraction form
    1,591.08/2,195.66 = 892.44/x
  3. Step 3: Cross multiply
    1,591.08x = 2,195.66 × 892.44
  4. Step 4: Simplify right side
    1,591.08x = 1,959,494.81
  5. Step 5: Solve for x
    x = 1,959,494.81/1,591.08
  6. Step 6: Final answer
    x = 1,231.55

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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.