Home / 2,943.12-4,060.47-1,822.89

Finding the Fourth Proportional to 2,943.12, 4,060.47 and 1,822.89

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Solution

The fourth proportional to 2,943.12, 4,060.47 and 1,822.89 is: 2,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.12 : 4,060.47 = 1,822.89 : x
  2. Step 2: Convert to fraction form
    2,943.12/4,060.47 = 1,822.89/x
  3. Step 3: Cross multiply
    2,943.12x = 4,060.47 × 1,822.89
  4. Step 4: Simplify right side
    2,943.12x = 7,401,790.16
  5. Step 5: Solve for x
    x = 7,401,790.16/2,943.12
  6. Step 6: Final answer
    x = 2,514.95

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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.