Home / 4,220.73-5,822.01-2,628.18

Finding the Fourth Proportional to 4,220.73, 5,822.01 and 2,628.18

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Solution

The fourth proportional to 4,220.73, 5,822.01 and 2,628.18 is: 3,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.73 : 5,822.01 = 2,628.18 : x
  2. Step 2: Convert to fraction form
    4,220.73/5,822.01 = 2,628.18/x
  3. Step 3: Cross multiply
    4,220.73x = 5,822.01 × 2,628.18
  4. Step 4: Simplify right side
    4,220.73x = 15,301,290.24
  5. Step 5: Solve for x
    x = 15,301,290.24/4,220.73
  6. Step 6: Final answer
    x = 3,625.27

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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.