Home / 7,160.73-9,881.56-4,176.75

Finding the Fourth Proportional to 7,160.73, 9,881.56 and 4,176.75

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Solution

The fourth proportional to 7,160.73, 9,881.56 and 4,176.75 is: 5,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.73 : 9,881.56 = 4,176.75 : x
  2. Step 2: Convert to fraction form
    7,160.73/9,881.56 = 4,176.75/x
  3. Step 3: Cross multiply
    7,160.73x = 9,881.56 × 4,176.75
  4. Step 4: Simplify right side
    7,160.73x = 41,272,805.73
  5. Step 5: Solve for x
    x = 41,272,805.73/7,160.73
  6. Step 6: Final answer
    x = 5,763.77

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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.