Home / 1,163.18-1,738.37-1,095.75

Finding the Fourth Proportional to 1,163.18, 1,738.37 and 1,095.75

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Solution

The fourth proportional to 1,163.18, 1,738.37 and 1,095.75 is: 1,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.18 : 1,738.37 = 1,095.75 : x
  2. Step 2: Convert to fraction form
    1,163.18/1,738.37 = 1,095.75/x
  3. Step 3: Cross multiply
    1,163.18x = 1,738.37 × 1,095.75
  4. Step 4: Simplify right side
    1,163.18x = 1,904,818.93
  5. Step 5: Solve for x
    x = 1,904,818.93/1,163.18
  6. Step 6: Final answer
    x = 1,637.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.