Home / 7,175.08-9,902.44-4,191.66

Finding the Fourth Proportional to 7,175.08, 9,902.44 and 4,191.66

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Solution

The fourth proportional to 7,175.08, 9,902.44 and 4,191.66 is: 5,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.08 : 9,902.44 = 4,191.66 : x
  2. Step 2: Convert to fraction form
    7,175.08/9,902.44 = 4,191.66/x
  3. Step 3: Cross multiply
    7,175.08x = 9,902.44 × 4,191.66
  4. Step 4: Simplify right side
    7,175.08x = 41,507,661.65
  5. Step 5: Solve for x
    x = 41,507,661.65/7,175.08
  6. Step 6: Final answer
    x = 5,784.98

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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.