Home / 5,467.78-7,545.21-3,077.35

Finding the Fourth Proportional to 5,467.78, 7,545.21 and 3,077.35

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Solution

The fourth proportional to 5,467.78, 7,545.21 and 3,077.35 is: 4,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.78 : 7,545.21 = 3,077.35 : x
  2. Step 2: Convert to fraction form
    5,467.78/7,545.21 = 3,077.35/x
  3. Step 3: Cross multiply
    5,467.78x = 7,545.21 × 3,077.35
  4. Step 4: Simplify right side
    5,467.78x = 23,219,251.99
  5. Step 5: Solve for x
    x = 23,219,251.99/5,467.78
  6. Step 6: Final answer
    x = 4,246.56

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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.