Home / 2,083.12-2,874.60-1,151.44

Finding the Fourth Proportional to 2,083.12, 2,874.60 and 1,151.44

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Solution

The fourth proportional to 2,083.12, 2,874.60 and 1,151.44 is: 1,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.12 : 2,874.60 = 1,151.44 : x
  2. Step 2: Convert to fraction form
    2,083.12/2,874.60 = 1,151.44/x
  3. Step 3: Cross multiply
    2,083.12x = 2,874.60 × 1,151.44
  4. Step 4: Simplify right side
    2,083.12x = 3,309,929.42
  5. Step 5: Solve for x
    x = 3,309,929.42/2,083.12
  6. Step 6: Final answer
    x = 1,588.93

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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.