Home / 1,591.06-2,195.60-927.94

Finding the Fourth Proportional to 1,591.06, 2,195.60 and 927.94

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Solution

The fourth proportional to 1,591.06, 2,195.60 and 927.94 is: 1,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.06 : 2,195.60 = 927.94 : x
  2. Step 2: Convert to fraction form
    1,591.06/2,195.60 = 927.94/x
  3. Step 3: Cross multiply
    1,591.06x = 2,195.60 × 927.94
  4. Step 4: Simplify right side
    1,591.06x = 2,037,374.09
  5. Step 5: Solve for x
    x = 2,037,374.09/1,591.06
  6. Step 6: Final answer
    x = 1,280.52

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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.