Home / 3,455.55-4,768.70-1,883.66

Finding the Fourth Proportional to 3,455.55, 4,768.70 and 1,883.66

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Solution

The fourth proportional to 3,455.55, 4,768.70 and 1,883.66 is: 2,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.55 : 4,768.70 = 1,883.66 : x
  2. Step 2: Convert to fraction form
    3,455.55/4,768.70 = 1,883.66/x
  3. Step 3: Cross multiply
    3,455.55x = 4,768.70 × 1,883.66
  4. Step 4: Simplify right side
    3,455.55x = 8,982,576.18
  5. Step 5: Solve for x
    x = 8,982,576.18/3,455.55
  6. Step 6: Final answer
    x = 2,599.46

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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.