Home / 5,331.83-7,351.16-3,440.21

Finding the Fourth Proportional to 5,331.83, 7,351.16 and 3,440.21

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Solution

The fourth proportional to 5,331.83, 7,351.16 and 3,440.21 is: 4,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.83 : 7,351.16 = 3,440.21 : x
  2. Step 2: Convert to fraction form
    5,331.83/7,351.16 = 3,440.21/x
  3. Step 3: Cross multiply
    5,331.83x = 7,351.16 × 3,440.21
  4. Step 4: Simplify right side
    5,331.83x = 25,289,480.19
  5. Step 5: Solve for x
    x = 25,289,480.19/5,331.83
  6. Step 6: Final answer
    x = 4,743.12

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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.