Home / 3,424.20-4,725.54-1,932.18

Finding the Fourth Proportional to 3,424.20, 4,725.54 and 1,932.18

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Solution

The fourth proportional to 3,424.20, 4,725.54 and 1,932.18 is: 2,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.20 : 4,725.54 = 1,932.18 : x
  2. Step 2: Convert to fraction form
    3,424.20/4,725.54 = 1,932.18/x
  3. Step 3: Cross multiply
    3,424.20x = 4,725.54 × 1,932.18
  4. Step 4: Simplify right side
    3,424.20x = 9,130,593.88
  5. Step 5: Solve for x
    x = 9,130,593.88/3,424.20
  6. Step 6: Final answer
    x = 2,666.49

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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.