Home / 5,467.81-7,545.42-3,078.04

Finding the Fourth Proportional to 5,467.81, 7,545.42 and 3,078.04

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Solution

The fourth proportional to 5,467.81, 7,545.42 and 3,078.04 is: 4,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.81 : 7,545.42 = 3,078.04 : x
  2. Step 2: Convert to fraction form
    5,467.81/7,545.42 = 3,078.04/x
  3. Step 3: Cross multiply
    5,467.81x = 7,545.42 × 3,078.04
  4. Step 4: Simplify right side
    5,467.81x = 23,225,066.85
  5. Step 5: Solve for x
    x = 23,225,066.85/5,467.81
  6. Step 6: Final answer
    x = 4,247.60

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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.