Home / 3,020.48-4,165.60-2,236.48

Finding the Fourth Proportional to 3,020.48, 4,165.60 and 2,236.48

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Solution

The fourth proportional to 3,020.48, 4,165.60 and 2,236.48 is: 3,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.48 : 4,165.60 = 2,236.48 : x
  2. Step 2: Convert to fraction form
    3,020.48/4,165.60 = 2,236.48/x
  3. Step 3: Cross multiply
    3,020.48x = 4,165.60 × 2,236.48
  4. Step 4: Simplify right side
    3,020.48x = 9,316,281.09
  5. Step 5: Solve for x
    x = 9,316,281.09/3,020.48
  6. Step 6: Final answer
    x = 3,084.37

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Half scale
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Double scale
Find fourth proportional to 3,021.48, 4,166.98 and 2,237.48
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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.