Home / 4,378.06-6,567.50-2,912.77

Finding the Fourth Proportional to 4,378.06, 6,567.50 and 2,912.77

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Solution

The fourth proportional to 4,378.06, 6,567.50 and 2,912.77 is: 4,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.06 : 6,567.50 = 2,912.77 : x
  2. Step 2: Convert to fraction form
    4,378.06/6,567.50 = 2,912.77/x
  3. Step 3: Cross multiply
    4,378.06x = 6,567.50 × 2,912.77
  4. Step 4: Simplify right side
    4,378.06x = 19,129,616.98
  5. Step 5: Solve for x
    x = 19,129,616.98/4,378.06
  6. Step 6: Final answer
    x = 4,369.43

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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.