Home / 7,278.04-10,908.51-3,374.23

Finding the Fourth Proportional to 7,278.04, 10,908.51 and 3,374.23

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Solution

The fourth proportional to 7,278.04, 10,908.51 and 3,374.23 is: 5,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.04 : 10,908.51 = 3,374.23 : x
  2. Step 2: Convert to fraction form
    7,278.04/10,908.51 = 3,374.23/x
  3. Step 3: Cross multiply
    7,278.04x = 10,908.51 × 3,374.23
  4. Step 4: Simplify right side
    7,278.04x = 36,807,821.70
  5. Step 5: Solve for x
    x = 36,807,821.70/7,278.04
  6. Step 6: Final answer
    x = 5,057.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.