Home / 2,208.76-3,047.73-1,324.39

Finding the Fourth Proportional to 2,208.76, 3,047.73 and 1,324.39

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Solution

The fourth proportional to 2,208.76, 3,047.73 and 1,324.39 is: 1,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.76 : 3,047.73 = 1,324.39 : x
  2. Step 2: Convert to fraction form
    2,208.76/3,047.73 = 1,324.39/x
  3. Step 3: Cross multiply
    2,208.76x = 3,047.73 × 1,324.39
  4. Step 4: Simplify right side
    2,208.76x = 4,036,383.13
  5. Step 5: Solve for x
    x = 4,036,383.13/2,208.76
  6. Step 6: Final answer
    x = 1,827.44

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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.