Home / 3,103.24-4,282.35-1,777.07

Finding the Fourth Proportional to 3,103.24, 4,282.35 and 1,777.07

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Solution

The fourth proportional to 3,103.24, 4,282.35 and 1,777.07 is: 2,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.24 : 4,282.35 = 1,777.07 : x
  2. Step 2: Convert to fraction form
    3,103.24/4,282.35 = 1,777.07/x
  3. Step 3: Cross multiply
    3,103.24x = 4,282.35 × 1,777.07
  4. Step 4: Simplify right side
    3,103.24x = 7,610,035.71
  5. Step 5: Solve for x
    x = 7,610,035.71/3,103.24
  6. Step 6: Final answer
    x = 2,452.29

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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.