Home / 5,131.41-7,692.51-1,843.74

Finding the Fourth Proportional to 5,131.41, 7,692.51 and 1,843.74

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Solution

The fourth proportional to 5,131.41, 7,692.51 and 1,843.74 is: 2,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.41 : 7,692.51 = 1,843.74 : x
  2. Step 2: Convert to fraction form
    5,131.41/7,692.51 = 1,843.74/x
  3. Step 3: Cross multiply
    5,131.41x = 7,692.51 × 1,843.74
  4. Step 4: Simplify right side
    5,131.41x = 14,182,988.39
  5. Step 5: Solve for x
    x = 14,182,988.39/5,131.41
  6. Step 6: Final answer
    x = 2,763.96

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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.