Home / 1,452.08-2,003.12-1,292.48

Finding the Fourth Proportional to 1,452.08, 2,003.12 and 1,292.48

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Solution

The fourth proportional to 1,452.08, 2,003.12 and 1,292.48 is: 1,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.08 : 2,003.12 = 1,292.48 : x
  2. Step 2: Convert to fraction form
    1,452.08/2,003.12 = 1,292.48/x
  3. Step 3: Cross multiply
    1,452.08x = 2,003.12 × 1,292.48
  4. Step 4: Simplify right side
    1,452.08x = 2,588,992.54
  5. Step 5: Solve for x
    x = 2,588,992.54/1,452.08
  6. Step 6: Final answer
    x = 1,782.95

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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.