Home / 5,446.78-7,516.77-3,089.38

Finding the Fourth Proportional to 5,446.78, 7,516.77 and 3,089.38

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Solution

The fourth proportional to 5,446.78, 7,516.77 and 3,089.38 is: 4,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.78 : 7,516.77 = 3,089.38 : x
  2. Step 2: Convert to fraction form
    5,446.78/7,516.77 = 3,089.38/x
  3. Step 3: Cross multiply
    5,446.78x = 7,516.77 × 3,089.38
  4. Step 4: Simplify right side
    5,446.78x = 23,222,158.90
  5. Step 5: Solve for x
    x = 23,222,158.90/5,446.78
  6. Step 6: Final answer
    x = 4,263.47

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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.