Home / 2,778.03-4,164.61-1,045.44

Finding the Fourth Proportional to 2,778.03, 4,164.61 and 1,045.44

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Solution

The fourth proportional to 2,778.03, 4,164.61 and 1,045.44 is: 1,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.03 : 4,164.61 = 1,045.44 : x
  2. Step 2: Convert to fraction form
    2,778.03/4,164.61 = 1,045.44/x
  3. Step 3: Cross multiply
    2,778.03x = 4,164.61 × 1,045.44
  4. Step 4: Simplify right side
    2,778.03x = 4,353,849.88
  5. Step 5: Solve for x
    x = 4,353,849.88/2,778.03
  6. Step 6: Final answer
    x = 1,567.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.