Home / 4,849.31-6,692.86-2,860.36

Finding the Fourth Proportional to 4,849.31, 6,692.86 and 2,860.36

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Solution

The fourth proportional to 4,849.31, 6,692.86 and 2,860.36 is: 3,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.31 : 6,692.86 = 2,860.36 : x
  2. Step 2: Convert to fraction form
    4,849.31/6,692.86 = 2,860.36/x
  3. Step 3: Cross multiply
    4,849.31x = 6,692.86 × 2,860.36
  4. Step 4: Simplify right side
    4,849.31x = 19,143,975.87
  5. Step 5: Solve for x
    x = 19,143,975.87/4,849.31
  6. Step 6: Final answer
    x = 3,947.77

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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.