Home / 3,060.73-4,225.60-2,220.63

Finding the Fourth Proportional to 3,060.73, 4,225.60 and 2,220.63

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Solution

The fourth proportional to 3,060.73, 4,225.60 and 2,220.63 is: 3,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.73 : 4,225.60 = 2,220.63 : x
  2. Step 2: Convert to fraction form
    3,060.73/4,225.60 = 2,220.63/x
  3. Step 3: Cross multiply
    3,060.73x = 4,225.60 × 2,220.63
  4. Step 4: Simplify right side
    3,060.73x = 9,383,494.13
  5. Step 5: Solve for x
    x = 9,383,494.13/3,060.73
  6. Step 6: Final answer
    x = 3,065.77

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Half scale
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Double scale
Find fourth proportional to 3,061.73, 4,226.98 and 2,221.63
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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.