Home / 4,243.58-5,855.67-2,355.10

Finding the Fourth Proportional to 4,243.58, 5,855.67 and 2,355.10

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Solution

The fourth proportional to 4,243.58, 5,855.67 and 2,355.10 is: 3,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.58 : 5,855.67 = 2,355.10 : x
  2. Step 2: Convert to fraction form
    4,243.58/5,855.67 = 2,355.10/x
  3. Step 3: Cross multiply
    4,243.58x = 5,855.67 × 2,355.10
  4. Step 4: Simplify right side
    4,243.58x = 13,790,688.42
  5. Step 5: Solve for x
    x = 13,790,688.42/4,243.58
  6. Step 6: Final answer
    x = 3,249.78

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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.