Home / 3,534.98-4,878.90-2,042.69

Finding the Fourth Proportional to 3,534.98, 4,878.90 and 2,042.69

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Solution

The fourth proportional to 3,534.98, 4,878.90 and 2,042.69 is: 2,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.98 : 4,878.90 = 2,042.69 : x
  2. Step 2: Convert to fraction form
    3,534.98/4,878.90 = 2,042.69/x
  3. Step 3: Cross multiply
    3,534.98x = 4,878.90 × 2,042.69
  4. Step 4: Simplify right side
    3,534.98x = 9,966,055.85
  5. Step 5: Solve for x
    x = 9,966,055.85/3,534.98
  6. Step 6: Final answer
    x = 2,819.27

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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.