Home / 3,455.15-4,768.09-1,883.25

Finding the Fourth Proportional to 3,455.15, 4,768.09 and 1,883.25

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Solution

The fourth proportional to 3,455.15, 4,768.09 and 1,883.25 is: 2,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.15 : 4,768.09 = 1,883.25 : x
  2. Step 2: Convert to fraction form
    3,455.15/4,768.09 = 1,883.25/x
  3. Step 3: Cross multiply
    3,455.15x = 4,768.09 × 1,883.25
  4. Step 4: Simplify right side
    3,455.15x = 8,979,500.78
  5. Step 5: Solve for x
    x = 8,979,500.78/3,455.15
  6. Step 6: Final answer
    x = 2,598.88

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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.