Home / 3,932.21-5,424.48-2,338.13

Finding the Fourth Proportional to 3,932.21, 5,424.48 and 2,338.13

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Solution

The fourth proportional to 3,932.21, 5,424.48 and 2,338.13 is: 3,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.21 : 5,424.48 = 2,338.13 : x
  2. Step 2: Convert to fraction form
    3,932.21/5,424.48 = 2,338.13/x
  3. Step 3: Cross multiply
    3,932.21x = 5,424.48 × 2,338.13
  4. Step 4: Simplify right side
    3,932.21x = 12,683,139.42
  5. Step 5: Solve for x
    x = 12,683,139.42/3,932.21
  6. Step 6: Final answer
    x = 3,225.45

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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.