Home / 3,291.04-4,542.15-1,964.49

Finding the Fourth Proportional to 3,291.04, 4,542.15 and 1,964.49

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Solution

The fourth proportional to 3,291.04, 4,542.15 and 1,964.49 is: 2,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.04 : 4,542.15 = 1,964.49 : x
  2. Step 2: Convert to fraction form
    3,291.04/4,542.15 = 1,964.49/x
  3. Step 3: Cross multiply
    3,291.04x = 4,542.15 × 1,964.49
  4. Step 4: Simplify right side
    3,291.04x = 8,923,008.25
  5. Step 5: Solve for x
    x = 8,923,008.25/3,291.04
  6. Step 6: Final answer
    x = 2,711.30

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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.