Home / 2,567.85-3,550.55-2,239.80

Finding the Fourth Proportional to 2,567.85, 3,550.55 and 2,239.80

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Solution

The fourth proportional to 2,567.85, 3,550.55 and 2,239.80 is: 3,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.85 : 3,550.55 = 2,239.80 : x
  2. Step 2: Convert to fraction form
    2,567.85/3,550.55 = 2,239.80/x
  3. Step 3: Cross multiply
    2,567.85x = 3,550.55 × 2,239.80
  4. Step 4: Simplify right side
    2,567.85x = 7,952,510.69
  5. Step 5: Solve for x
    x = 7,952,510.69/2,567.85
  6. Step 6: Final answer
    x = 3,096.95

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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.