Home / 4,285.88-5,913.44-2,692.78

Finding the Fourth Proportional to 4,285.88, 5,913.44 and 2,692.78

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Solution

The fourth proportional to 4,285.88, 5,913.44 and 2,692.78 is: 3,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.88 : 5,913.44 = 2,692.78 : x
  2. Step 2: Convert to fraction form
    4,285.88/5,913.44 = 2,692.78/x
  3. Step 3: Cross multiply
    4,285.88x = 5,913.44 × 2,692.78
  4. Step 4: Simplify right side
    4,285.88x = 15,923,574.81
  5. Step 5: Solve for x
    x = 15,923,574.81/4,285.88
  6. Step 6: Final answer
    x = 3,715.36

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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.