Home / 4,252.72-5,867.40-2,389.36

Finding the Fourth Proportional to 4,252.72, 5,867.40 and 2,389.36

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Solution

The fourth proportional to 4,252.72, 5,867.40 and 2,389.36 is: 3,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.72 : 5,867.40 = 2,389.36 : x
  2. Step 2: Convert to fraction form
    4,252.72/5,867.40 = 2,389.36/x
  3. Step 3: Cross multiply
    4,252.72x = 5,867.40 × 2,389.36
  4. Step 4: Simplify right side
    4,252.72x = 14,019,330.86
  5. Step 5: Solve for x
    x = 14,019,330.86/4,252.72
  6. Step 6: Final answer
    x = 3,296.56

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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.