Home / 5,304.39-7,316.43-3,178.44

Finding the Fourth Proportional to 5,304.39, 7,316.43 and 3,178.44

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Solution

The fourth proportional to 5,304.39, 7,316.43 and 3,178.44 is: 4,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.39 : 7,316.43 = 3,178.44 : x
  2. Step 2: Convert to fraction form
    5,304.39/7,316.43 = 3,178.44/x
  3. Step 3: Cross multiply
    5,304.39x = 7,316.43 × 3,178.44
  4. Step 4: Simplify right side
    5,304.39x = 23,254,821.85
  5. Step 5: Solve for x
    x = 23,254,821.85/5,304.39
  6. Step 6: Final answer
    x = 4,384.07

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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.