Home / 3,864.56-5,330.12-2,371.22

Finding the Fourth Proportional to 3,864.56, 5,330.12 and 2,371.22

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Solution

The fourth proportional to 3,864.56, 5,330.12 and 2,371.22 is: 3,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.56 : 5,330.12 = 2,371.22 : x
  2. Step 2: Convert to fraction form
    3,864.56/5,330.12 = 2,371.22/x
  3. Step 3: Cross multiply
    3,864.56x = 5,330.12 × 2,371.22
  4. Step 4: Simplify right side
    3,864.56x = 12,638,866.42
  5. Step 5: Solve for x
    x = 12,638,866.42/3,864.56
  6. Step 6: Final answer
    x = 3,270.46

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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.