Home / 5,101.67-7,033.80-3,420.42

Finding the Fourth Proportional to 5,101.67, 7,033.80 and 3,420.42

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Solution

The fourth proportional to 5,101.67, 7,033.80 and 3,420.42 is: 4,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.67 : 7,033.80 = 3,420.42 : x
  2. Step 2: Convert to fraction form
    5,101.67/7,033.80 = 3,420.42/x
  3. Step 3: Cross multiply
    5,101.67x = 7,033.80 × 3,420.42
  4. Step 4: Simplify right side
    5,101.67x = 24,058,550.20
  5. Step 5: Solve for x
    x = 24,058,550.20/5,101.67
  6. Step 6: Final answer
    x = 4,715.82

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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.