Home / 3,197.48-4,797.37-1,117.79

Finding the Fourth Proportional to 3,197.48, 4,797.37 and 1,117.79

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Solution

The fourth proportional to 3,197.48, 4,797.37 and 1,117.79 is: 1,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.48 : 4,797.37 = 1,117.79 : x
  2. Step 2: Convert to fraction form
    3,197.48/4,797.37 = 1,117.79/x
  3. Step 3: Cross multiply
    3,197.48x = 4,797.37 × 1,117.79
  4. Step 4: Simplify right side
    3,197.48x = 5,362,452.21
  5. Step 5: Solve for x
    x = 5,362,452.21/3,197.48
  6. Step 6: Final answer
    x = 1,677.09

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1.5x scale

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.