Home / 5,031.78-7,544.49-1,745.13

Finding the Fourth Proportional to 5,031.78, 7,544.49 and 1,745.13

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Solution

The fourth proportional to 5,031.78, 7,544.49 and 1,745.13 is: 2,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.78 : 7,544.49 = 1,745.13 : x
  2. Step 2: Convert to fraction form
    5,031.78/7,544.49 = 1,745.13/x
  3. Step 3: Cross multiply
    5,031.78x = 7,544.49 × 1,745.13
  4. Step 4: Simplify right side
    5,031.78x = 13,166,115.83
  5. Step 5: Solve for x
    x = 13,166,115.83/5,031.78
  6. Step 6: Final answer
    x = 2,616.59

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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.