Home / 3,770.42-5,206.23-2,355.75

Finding the Fourth Proportional to 3,770.42, 5,206.23 and 2,355.75

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Solution

The fourth proportional to 3,770.42, 5,206.23 and 2,355.75 is: 3,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.42 : 5,206.23 = 2,355.75 : x
  2. Step 2: Convert to fraction form
    3,770.42/5,206.23 = 2,355.75/x
  3. Step 3: Cross multiply
    3,770.42x = 5,206.23 × 2,355.75
  4. Step 4: Simplify right side
    3,770.42x = 12,264,576.32
  5. Step 5: Solve for x
    x = 12,264,576.32/3,770.42
  6. Step 6: Final answer
    x = 3,252.85

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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.