Home / 3,103.66-4,283.22-1,777.51

Finding the Fourth Proportional to 3,103.66, 4,283.22 and 1,777.51

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Solution

The fourth proportional to 3,103.66, 4,283.22 and 1,777.51 is: 2,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.66 : 4,283.22 = 1,777.51 : x
  2. Step 2: Convert to fraction form
    3,103.66/4,283.22 = 1,777.51/x
  3. Step 3: Cross multiply
    3,103.66x = 4,283.22 × 1,777.51
  4. Step 4: Simplify right side
    3,103.66x = 7,613,466.38
  5. Step 5: Solve for x
    x = 7,613,466.38/3,103.66
  6. Step 6: Final answer
    x = 2,453.06

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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.