Home / 3,209.48-4,412.08-2,759.70

Finding the Fourth Proportional to 3,209.48, 4,412.08 and 2,759.70

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Solution

The fourth proportional to 3,209.48, 4,412.08 and 2,759.70 is: 3,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.48 : 4,412.08 = 2,759.70 : x
  2. Step 2: Convert to fraction form
    3,209.48/4,412.08 = 2,759.70/x
  3. Step 3: Cross multiply
    3,209.48x = 4,412.08 × 2,759.70
  4. Step 4: Simplify right side
    3,209.48x = 12,176,045.71
  5. Step 5: Solve for x
    x = 12,176,045.71/3,209.48
  6. Step 6: Final answer
    x = 3,793.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.