Home / 3,070.91-4,238.30-1,744.74

Finding the Fourth Proportional to 3,070.91, 4,238.30 and 1,744.74

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Solution

The fourth proportional to 3,070.91, 4,238.30 and 1,744.74 is: 2,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.91 : 4,238.30 = 1,744.74 : x
  2. Step 2: Convert to fraction form
    3,070.91/4,238.30 = 1,744.74/x
  3. Step 3: Cross multiply
    3,070.91x = 4,238.30 × 1,744.74
  4. Step 4: Simplify right side
    3,070.91x = 7,394,731.00
  5. Step 5: Solve for x
    x = 7,394,731.00/3,070.91
  6. Step 6: Final answer
    x = 2,407.99

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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.