Home / 5,285.96-7,295.39-3,047.39

Finding the Fourth Proportional to 5,285.96, 7,295.39 and 3,047.39

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Solution

The fourth proportional to 5,285.96, 7,295.39 and 3,047.39 is: 4,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.96 : 7,295.39 = 3,047.39 : x
  2. Step 2: Convert to fraction form
    5,285.96/7,295.39 = 3,047.39/x
  3. Step 3: Cross multiply
    5,285.96x = 7,295.39 × 3,047.39
  4. Step 4: Simplify right side
    5,285.96x = 22,231,846.82
  5. Step 5: Solve for x
    x = 22,231,846.82/5,285.96
  6. Step 6: Final answer
    x = 4,205.83

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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.