Home / 4,178.42-5,763.50-2,817.98

Finding the Fourth Proportional to 4,178.42, 5,763.50 and 2,817.98

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Solution

The fourth proportional to 4,178.42, 5,763.50 and 2,817.98 is: 3,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.42 : 5,763.50 = 2,817.98 : x
  2. Step 2: Convert to fraction form
    4,178.42/5,763.50 = 2,817.98/x
  3. Step 3: Cross multiply
    4,178.42x = 5,763.50 × 2,817.98
  4. Step 4: Simplify right side
    4,178.42x = 16,241,384.82
  5. Step 5: Solve for x
    x = 16,241,384.82/4,178.42
  6. Step 6: Final answer
    x = 3,886.97

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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.