Home / 5,031.11-7,544.54-1,742.72

Finding the Fourth Proportional to 5,031.11, 7,544.54 and 1,742.72

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Solution

The fourth proportional to 5,031.11, 7,544.54 and 1,742.72 is: 2,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.11 : 7,544.54 = 1,742.72 : x
  2. Step 2: Convert to fraction form
    5,031.11/7,544.54 = 1,742.72/x
  3. Step 3: Cross multiply
    5,031.11x = 7,544.54 × 1,742.72
  4. Step 4: Simplify right side
    5,031.11x = 13,147,987.38
  5. Step 5: Solve for x
    x = 13,147,987.38/5,031.11
  6. Step 6: Final answer
    x = 2,613.34

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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.