Home / 3,411.67-5,117.51-1,103.11

Finding the Fourth Proportional to 3,411.67, 5,117.51 and 1,103.11

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Solution

The fourth proportional to 3,411.67, 5,117.51 and 1,103.11 is: 1,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.67 : 5,117.51 = 1,103.11 : x
  2. Step 2: Convert to fraction form
    3,411.67/5,117.51 = 1,103.11/x
  3. Step 3: Cross multiply
    3,411.67x = 5,117.51 × 1,103.11
  4. Step 4: Simplify right side
    3,411.67x = 5,645,176.46
  5. Step 5: Solve for x
    x = 5,645,176.46/3,411.67
  6. Step 6: Final answer
    x = 1,654.67

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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.