Home / 2,334.02-3,220.86-1,286.06

Finding the Fourth Proportional to 2,334.02, 3,220.86 and 1,286.06

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Solution

The fourth proportional to 2,334.02, 3,220.86 and 1,286.06 is: 1,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.02 : 3,220.86 = 1,286.06 : x
  2. Step 2: Convert to fraction form
    2,334.02/3,220.86 = 1,286.06/x
  3. Step 3: Cross multiply
    2,334.02x = 3,220.86 × 1,286.06
  4. Step 4: Simplify right side
    2,334.02x = 4,142,219.21
  5. Step 5: Solve for x
    x = 4,142,219.21/2,334.02
  6. Step 6: Final answer
    x = 1,774.71

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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.