Home / 5,127.28-7,074.36-3,032.08

Finding the Fourth Proportional to 5,127.28, 7,074.36 and 3,032.08

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Solution

The fourth proportional to 5,127.28, 7,074.36 and 3,032.08 is: 4,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.28 : 7,074.36 = 3,032.08 : x
  2. Step 2: Convert to fraction form
    5,127.28/7,074.36 = 3,032.08/x
  3. Step 3: Cross multiply
    5,127.28x = 7,074.36 × 3,032.08
  4. Step 4: Simplify right side
    5,127.28x = 21,450,025.47
  5. Step 5: Solve for x
    x = 21,450,025.47/5,127.28
  6. Step 6: Final answer
    x = 4,183.51

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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.