Home / 5,013.36-6,915.42-3,220.24

Finding the Fourth Proportional to 5,013.36, 6,915.42 and 3,220.24

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Solution

The fourth proportional to 5,013.36, 6,915.42 and 3,220.24 is: 4,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.36 : 6,915.42 = 3,220.24 : x
  2. Step 2: Convert to fraction form
    5,013.36/6,915.42 = 3,220.24/x
  3. Step 3: Cross multiply
    5,013.36x = 6,915.42 × 3,220.24
  4. Step 4: Simplify right side
    5,013.36x = 22,269,287.36
  5. Step 5: Solve for x
    x = 22,269,287.36/5,013.36
  6. Step 6: Final answer
    x = 4,441.99

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Half scale
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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.