Home / 4,021.74-5,557.61-3,025.28

Finding the Fourth Proportional to 4,021.74, 5,557.61 and 3,025.28

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Solution

The fourth proportional to 4,021.74, 5,557.61 and 3,025.28 is: 4,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.74 : 5,557.61 = 3,025.28 : x
  2. Step 2: Convert to fraction form
    4,021.74/5,557.61 = 3,025.28/x
  3. Step 3: Cross multiply
    4,021.74x = 5,557.61 × 3,025.28
  4. Step 4: Simplify right side
    4,021.74x = 16,813,283.47
  5. Step 5: Solve for x
    x = 16,813,283.47/4,021.74
  6. Step 6: Final answer
    x = 4,180.60

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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.