Home / 3,161.16-4,362.42-1,764.04

Finding the Fourth Proportional to 3,161.16, 4,362.42 and 1,764.04

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Solution

The fourth proportional to 3,161.16, 4,362.42 and 1,764.04 is: 2,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.16 : 4,362.42 = 1,764.04 : x
  2. Step 2: Convert to fraction form
    3,161.16/4,362.42 = 1,764.04/x
  3. Step 3: Cross multiply
    3,161.16x = 4,362.42 × 1,764.04
  4. Step 4: Simplify right side
    3,161.16x = 7,695,483.38
  5. Step 5: Solve for x
    x = 7,695,483.38/3,161.16
  6. Step 6: Final answer
    x = 2,434.39

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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.