Home / 4,187.40-5,778.36-2,324.40

Finding the Fourth Proportional to 4,187.40, 5,778.36 and 2,324.40

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Solution

The fourth proportional to 4,187.40, 5,778.36 and 2,324.40 is: 3,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.40 : 5,778.36 = 2,324.40 : x
  2. Step 2: Convert to fraction form
    4,187.40/5,778.36 = 2,324.40/x
  3. Step 3: Cross multiply
    4,187.40x = 5,778.36 × 2,324.40
  4. Step 4: Simplify right side
    4,187.40x = 13,431,219.98
  5. Step 5: Solve for x
    x = 13,431,219.98/4,187.40
  6. Step 6: Final answer
    x = 3,207.53

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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.