Home / 5,193.38-7,169.81-3,430.10

Finding the Fourth Proportional to 5,193.38, 7,169.81 and 3,430.10

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Solution

The fourth proportional to 5,193.38, 7,169.81 and 3,430.10 is: 4,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.38 : 7,169.81 = 3,430.10 : x
  2. Step 2: Convert to fraction form
    5,193.38/7,169.81 = 3,430.10/x
  3. Step 3: Cross multiply
    5,193.38x = 7,169.81 × 3,430.10
  4. Step 4: Simplify right side
    5,193.38x = 24,593,112.28
  5. Step 5: Solve for x
    x = 24,593,112.28/5,193.38
  6. Step 6: Final answer
    x = 4,735.48

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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.