Home / 4,113.12-6,167.70-1,190.64

Finding the Fourth Proportional to 4,113.12, 6,167.70 and 1,190.64

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Solution

The fourth proportional to 4,113.12, 6,167.70 and 1,190.64 is: 1,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.12 : 6,167.70 = 1,190.64 : x
  2. Step 2: Convert to fraction form
    4,113.12/6,167.70 = 1,190.64/x
  3. Step 3: Cross multiply
    4,113.12x = 6,167.70 × 1,190.64
  4. Step 4: Simplify right side
    4,113.12x = 7,343,510.33
  5. Step 5: Solve for x
    x = 7,343,510.33/4,113.12
  6. Step 6: Final answer
    x = 1,785.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.