Home / 2,834.15-3,909.76-1,839.74

Finding the Fourth Proportional to 2,834.15, 3,909.76 and 1,839.74

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Solution

The fourth proportional to 2,834.15, 3,909.76 and 1,839.74 is: 2,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.15 : 3,909.76 = 1,839.74 : x
  2. Step 2: Convert to fraction form
    2,834.15/3,909.76 = 1,839.74/x
  3. Step 3: Cross multiply
    2,834.15x = 3,909.76 × 1,839.74
  4. Step 4: Simplify right side
    2,834.15x = 7,192,917.71
  5. Step 5: Solve for x
    x = 7,192,917.71/2,834.15
  6. Step 6: Final answer
    x = 2,537.95

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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.