Home / 7,160.69-9,884.03-4,177.08

Finding the Fourth Proportional to 7,160.69, 9,884.03 and 4,177.08

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Solution

The fourth proportional to 7,160.69, 9,884.03 and 4,177.08 is: 5,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.69 : 9,884.03 = 4,177.08 : x
  2. Step 2: Convert to fraction form
    7,160.69/9,884.03 = 4,177.08/x
  3. Step 3: Cross multiply
    7,160.69x = 9,884.03 × 4,177.08
  4. Step 4: Simplify right side
    7,160.69x = 41,286,363.15
  5. Step 5: Solve for x
    x = 41,286,363.15/7,160.69
  6. Step 6: Final answer
    x = 5,765.69

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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.