Home / 2,208.76-3,048.19-1,324.55

Finding the Fourth Proportional to 2,208.76, 3,048.19 and 1,324.55

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Solution

The fourth proportional to 2,208.76, 3,048.19 and 1,324.55 is: 1,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.76 : 3,048.19 = 1,324.55 : x
  2. Step 2: Convert to fraction form
    2,208.76/3,048.19 = 1,324.55/x
  3. Step 3: Cross multiply
    2,208.76x = 3,048.19 × 1,324.55
  4. Step 4: Simplify right side
    2,208.76x = 4,037,484.37
  5. Step 5: Solve for x
    x = 4,037,484.37/2,208.76
  6. Step 6: Final answer
    x = 1,827.94

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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.