Home / 3,884.01-5,357.16-2,389.97

Finding the Fourth Proportional to 3,884.01, 5,357.16 and 2,389.97

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Solution

The fourth proportional to 3,884.01, 5,357.16 and 2,389.97 is: 3,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.01 : 5,357.16 = 2,389.97 : x
  2. Step 2: Convert to fraction form
    3,884.01/5,357.16 = 2,389.97/x
  3. Step 3: Cross multiply
    3,884.01x = 5,357.16 × 2,389.97
  4. Step 4: Simplify right side
    3,884.01x = 12,803,424.90
  5. Step 5: Solve for x
    x = 12,803,424.90/3,884.01
  6. Step 6: Final answer
    x = 3,296.44

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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.