Home / 3,159.41-4,740.05-1,517.34

Finding the Fourth Proportional to 3,159.41, 4,740.05 and 1,517.34

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Solution

The fourth proportional to 3,159.41, 4,740.05 and 1,517.34 is: 2,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.41 : 4,740.05 = 1,517.34 : x
  2. Step 2: Convert to fraction form
    3,159.41/4,740.05 = 1,517.34/x
  3. Step 3: Cross multiply
    3,159.41x = 4,740.05 × 1,517.34
  4. Step 4: Simplify right side
    3,159.41x = 7,192,267.47
  5. Step 5: Solve for x
    x = 7,192,267.47/3,159.41
  6. Step 6: Final answer
    x = 2,276.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.