Home / 7,375.54-10,178.30-4,018.44

Finding the Fourth Proportional to 7,375.54, 10,178.30 and 4,018.44

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Solution

The fourth proportional to 7,375.54, 10,178.30 and 4,018.44 is: 5,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.54 : 10,178.30 = 4,018.44 : x
  2. Step 2: Convert to fraction form
    7,375.54/10,178.30 = 4,018.44/x
  3. Step 3: Cross multiply
    7,375.54x = 10,178.30 × 4,018.44
  4. Step 4: Simplify right side
    7,375.54x = 40,900,924.76
  5. Step 5: Solve for x
    x = 40,900,924.76/7,375.54
  6. Step 6: Final answer
    x = 5,545.48

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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.