Home / 4,042.88-5,577.36-2,470.68

Finding the Fourth Proportional to 4,042.88, 5,577.36 and 2,470.68

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Solution

The fourth proportional to 4,042.88, 5,577.36 and 2,470.68 is: 3,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.88 : 5,577.36 = 2,470.68 : x
  2. Step 2: Convert to fraction form
    4,042.88/5,577.36 = 2,470.68/x
  3. Step 3: Cross multiply
    4,042.88x = 5,577.36 × 2,470.68
  4. Step 4: Simplify right side
    4,042.88x = 13,779,871.80
  5. Step 5: Solve for x
    x = 13,779,871.80/4,042.88
  6. Step 6: Final answer
    x = 3,408.43

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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.