Home / 4,042.61-5,579.48-2,340.87

Finding the Fourth Proportional to 4,042.61, 5,579.48 and 2,340.87

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Solution

The fourth proportional to 4,042.61, 5,579.48 and 2,340.87 is: 3,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.61 : 5,579.48 = 2,340.87 : x
  2. Step 2: Convert to fraction form
    4,042.61/5,579.48 = 2,340.87/x
  3. Step 3: Cross multiply
    4,042.61x = 5,579.48 × 2,340.87
  4. Step 4: Simplify right side
    4,042.61x = 13,060,837.35
  5. Step 5: Solve for x
    x = 13,060,837.35/4,042.61
  6. Step 6: Final answer
    x = 3,230.79

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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.