Home / 5,220.76-7,205.34-3,363.16

Finding the Fourth Proportional to 5,220.76, 7,205.34 and 3,363.16

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Solution

The fourth proportional to 5,220.76, 7,205.34 and 3,363.16 is: 4,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.76 : 7,205.34 = 3,363.16 : x
  2. Step 2: Convert to fraction form
    5,220.76/7,205.34 = 3,363.16/x
  3. Step 3: Cross multiply
    5,220.76x = 7,205.34 × 3,363.16
  4. Step 4: Simplify right side
    5,220.76x = 24,232,711.27
  5. Step 5: Solve for x
    x = 24,232,711.27/5,220.76
  6. Step 6: Final answer
    x = 4,641.61

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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.