Home / 2,098.60-2,896.32-1,538.80

Finding the Fourth Proportional to 2,098.60, 2,896.32 and 1,538.80

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Solution

The fourth proportional to 2,098.60, 2,896.32 and 1,538.80 is: 2,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.60 : 2,896.32 = 1,538.80 : x
  2. Step 2: Convert to fraction form
    2,098.60/2,896.32 = 1,538.80/x
  3. Step 3: Cross multiply
    2,098.60x = 2,896.32 × 1,538.80
  4. Step 4: Simplify right side
    2,098.60x = 4,456,857.22
  5. Step 5: Solve for x
    x = 4,456,857.22/2,098.60
  6. Step 6: Final answer
    x = 2,123.73

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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.