Home / 5,465.21-7,542.33-3,108.11

Finding the Fourth Proportional to 5,465.21, 7,542.33 and 3,108.11

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Solution

The fourth proportional to 5,465.21, 7,542.33 and 3,108.11 is: 4,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.21 : 7,542.33 = 3,108.11 : x
  2. Step 2: Convert to fraction form
    5,465.21/7,542.33 = 3,108.11/x
  3. Step 3: Cross multiply
    5,465.21x = 7,542.33 × 3,108.11
  4. Step 4: Simplify right side
    5,465.21x = 23,442,391.30
  5. Step 5: Solve for x
    x = 23,442,391.30/5,465.21
  6. Step 6: Final answer
    x = 4,289.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.