Home / 4,031.28-6,046.21-1,108.89

Finding the Fourth Proportional to 4,031.28, 6,046.21 and 1,108.89

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Solution

The fourth proportional to 4,031.28, 6,046.21 and 1,108.89 is: 1,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.28 : 6,046.21 = 1,108.89 : x
  2. Step 2: Convert to fraction form
    4,031.28/6,046.21 = 1,108.89/x
  3. Step 3: Cross multiply
    4,031.28x = 6,046.21 × 1,108.89
  4. Step 4: Simplify right side
    4,031.28x = 6,704,581.81
  5. Step 5: Solve for x
    x = 6,704,581.81/4,031.28
  6. Step 6: Final answer
    x = 1,663.14

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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.