Home / 7,167.45-9,889.35-4,181.58

Finding the Fourth Proportional to 7,167.45, 9,889.35 and 4,181.58

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Solution

The fourth proportional to 7,167.45, 9,889.35 and 4,181.58 is: 5,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.45 : 9,889.35 = 4,181.58 : x
  2. Step 2: Convert to fraction form
    7,167.45/9,889.35 = 4,181.58/x
  3. Step 3: Cross multiply
    7,167.45x = 9,889.35 × 4,181.58
  4. Step 4: Simplify right side
    7,167.45x = 41,353,108.17
  5. Step 5: Solve for x
    x = 41,353,108.17/7,167.45
  6. Step 6: Final answer
    x = 5,769.57

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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.