Home / 2,028.16-2,800.57-1,283.43

Finding the Fourth Proportional to 2,028.16, 2,800.57 and 1,283.43

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Solution

The fourth proportional to 2,028.16, 2,800.57 and 1,283.43 is: 1,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.16 : 2,800.57 = 1,283.43 : x
  2. Step 2: Convert to fraction form
    2,028.16/2,800.57 = 1,283.43/x
  3. Step 3: Cross multiply
    2,028.16x = 2,800.57 × 1,283.43
  4. Step 4: Simplify right side
    2,028.16x = 3,594,345.26
  5. Step 5: Solve for x
    x = 3,594,345.26/2,028.16
  6. Step 6: Final answer
    x = 1,772.22

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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.