Home / 3,437.84-5,178.38-3,392.48

Finding the Fourth Proportional to 3,437.84, 5,178.38 and 3,392.48

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Solution

The fourth proportional to 3,437.84, 5,178.38 and 3,392.48 is: 5,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.84 : 5,178.38 = 3,392.48 : x
  2. Step 2: Convert to fraction form
    3,437.84/5,178.38 = 3,392.48/x
  3. Step 3: Cross multiply
    3,437.84x = 5,178.38 × 3,392.48
  4. Step 4: Simplify right side
    3,437.84x = 17,567,550.58
  5. Step 5: Solve for x
    x = 17,567,550.58/3,437.84
  6. Step 6: Final answer
    x = 5,110.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.