Home / 5,220.03-7,206.12-3,231.75

Finding the Fourth Proportional to 5,220.03, 7,206.12 and 3,231.75

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Solution

The fourth proportional to 5,220.03, 7,206.12 and 3,231.75 is: 4,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.03 : 7,206.12 = 3,231.75 : x
  2. Step 2: Convert to fraction form
    5,220.03/7,206.12 = 3,231.75/x
  3. Step 3: Cross multiply
    5,220.03x = 7,206.12 × 3,231.75
  4. Step 4: Simplify right side
    5,220.03x = 23,288,378.31
  5. Step 5: Solve for x
    x = 23,288,378.31/5,220.03
  6. Step 6: Final answer
    x = 4,461.35

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Half scale
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Double 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.