Home / 3,031.11-4,179.06-2,035.62

Finding the Fourth Proportional to 3,031.11, 4,179.06 and 2,035.62

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Solution

The fourth proportional to 3,031.11, 4,179.06 and 2,035.62 is: 2,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.11 : 4,179.06 = 2,035.62 : x
  2. Step 2: Convert to fraction form
    3,031.11/4,179.06 = 2,035.62/x
  3. Step 3: Cross multiply
    3,031.11x = 4,179.06 × 2,035.62
  4. Step 4: Simplify right side
    3,031.11x = 8,506,978.12
  5. Step 5: Solve for x
    x = 8,506,978.12/3,031.11
  6. Step 6: Final answer
    x = 2,806.56

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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.