Home / 1,481.17-2,220.58-1,017.58

Finding the Fourth Proportional to 1,481.17, 2,220.58 and 1,017.58

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Solution

The fourth proportional to 1,481.17, 2,220.58 and 1,017.58 is: 1,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.17 : 2,220.58 = 1,017.58 : x
  2. Step 2: Convert to fraction form
    1,481.17/2,220.58 = 1,017.58/x
  3. Step 3: Cross multiply
    1,481.17x = 2,220.58 × 1,017.58
  4. Step 4: Simplify right side
    1,481.17x = 2,259,617.80
  5. Step 5: Solve for x
    x = 2,259,617.80/1,481.17
  6. Step 6: Final answer
    x = 1,525.56

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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.