Home / 3,301.12-4,950.65-1,109.34

Finding the Fourth Proportional to 3,301.12, 4,950.65 and 1,109.34

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Solution

The fourth proportional to 3,301.12, 4,950.65 and 1,109.34 is: 1,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.12 : 4,950.65 = 1,109.34 : x
  2. Step 2: Convert to fraction form
    3,301.12/4,950.65 = 1,109.34/x
  3. Step 3: Cross multiply
    3,301.12x = 4,950.65 × 1,109.34
  4. Step 4: Simplify right side
    3,301.12x = 5,491,929.96
  5. Step 5: Solve for x
    x = 5,491,929.96/3,301.12
  6. Step 6: Final answer
    x = 1,663.66

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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.