Home / 6,731.78-9,285.10-5,472.83

Finding the Fourth Proportional to 6,731.78, 9,285.10 and 5,472.83

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Solution

The fourth proportional to 6,731.78, 9,285.10 and 5,472.83 is: 7,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.78 : 9,285.10 = 5,472.83 : x
  2. Step 2: Convert to fraction form
    6,731.78/9,285.10 = 5,472.83/x
  3. Step 3: Cross multiply
    6,731.78x = 9,285.10 × 5,472.83
  4. Step 4: Simplify right side
    6,731.78x = 50,815,783.36
  5. Step 5: Solve for x
    x = 50,815,783.36/6,731.78
  6. Step 6: Final answer
    x = 7,548.65

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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.