Home / 3,028.16-4,542.14-948.36

Finding the Fourth Proportional to 3,028.16, 4,542.14 and 948.36

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Solution

The fourth proportional to 3,028.16, 4,542.14 and 948.36 is: 1,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.16 : 4,542.14 = 948.36 : x
  2. Step 2: Convert to fraction form
    3,028.16/4,542.14 = 948.36/x
  3. Step 3: Cross multiply
    3,028.16x = 4,542.14 × 948.36
  4. Step 4: Simplify right side
    3,028.16x = 4,307,583.89
  5. Step 5: Solve for x
    x = 4,307,583.89/3,028.16
  6. Step 6: Final answer
    x = 1,422.51

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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.