Home / 2,318.76-3,200.22-1,324.26

Finding the Fourth Proportional to 2,318.76, 3,200.22 and 1,324.26

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Solution

The fourth proportional to 2,318.76, 3,200.22 and 1,324.26 is: 1,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.76 : 3,200.22 = 1,324.26 : x
  2. Step 2: Convert to fraction form
    2,318.76/3,200.22 = 1,324.26/x
  3. Step 3: Cross multiply
    2,318.76x = 3,200.22 × 1,324.26
  4. Step 4: Simplify right side
    2,318.76x = 4,237,923.34
  5. Step 5: Solve for x
    x = 4,237,923.34/2,318.76
  6. Step 6: Final answer
    x = 1,827.67

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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.