Home / 2,225.23-3,071.19-1,341.12

Finding the Fourth Proportional to 2,225.23, 3,071.19 and 1,341.12

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Solution

The fourth proportional to 2,225.23, 3,071.19 and 1,341.12 is: 1,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.23 : 3,071.19 = 1,341.12 : x
  2. Step 2: Convert to fraction form
    2,225.23/3,071.19 = 1,341.12/x
  3. Step 3: Cross multiply
    2,225.23x = 3,071.19 × 1,341.12
  4. Step 4: Simplify right side
    2,225.23x = 4,118,834.33
  5. Step 5: Solve for x
    x = 4,118,834.33/2,225.23
  6. Step 6: Final answer
    x = 1,850.97

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Half scale
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Double scale
Find fourth proportional to 2,226.23, 3,072.57 and 1,342.12
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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.