Home / 7,160.94-9,881.55-4,016.70

Finding the Fourth Proportional to 7,160.94, 9,881.55 and 4,016.70

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Solution

The fourth proportional to 7,160.94, 9,881.55 and 4,016.70 is: 5,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.94 : 9,881.55 = 4,016.70 : x
  2. Step 2: Convert to fraction form
    7,160.94/9,881.55 = 4,016.70/x
  3. Step 3: Cross multiply
    7,160.94x = 9,881.55 × 4,016.70
  4. Step 4: Simplify right side
    7,160.94x = 39,691,221.89
  5. Step 5: Solve for x
    x = 39,691,221.89/7,160.94
  6. Step 6: Final answer
    x = 5,542.74

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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.