Home / 5,190.88-7,162.32-3,095.68

Finding the Fourth Proportional to 5,190.88, 7,162.32 and 3,095.68

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Solution

The fourth proportional to 5,190.88, 7,162.32 and 3,095.68 is: 4,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.88 : 7,162.32 = 3,095.68 : x
  2. Step 2: Convert to fraction form
    5,190.88/7,162.32 = 3,095.68/x
  3. Step 3: Cross multiply
    5,190.88x = 7,162.32 × 3,095.68
  4. Step 4: Simplify right side
    5,190.88x = 22,172,250.78
  5. Step 5: Solve for x
    x = 22,172,250.78/5,190.88
  6. Step 6: Final answer
    x = 4,271.39

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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.