Home / 3,470.59-4,789.88-3,175.35

Finding the Fourth Proportional to 3,470.59, 4,789.88 and 3,175.35

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Solution

The fourth proportional to 3,470.59, 4,789.88 and 3,175.35 is: 4,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.59 : 4,789.88 = 3,175.35 : x
  2. Step 2: Convert to fraction form
    3,470.59/4,789.88 = 3,175.35/x
  3. Step 3: Cross multiply
    3,470.59x = 4,789.88 × 3,175.35
  4. Step 4: Simplify right side
    3,470.59x = 15,209,545.46
  5. Step 5: Solve for x
    x = 15,209,545.46/3,470.59
  6. Step 6: Final answer
    x = 4,382.41

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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.