Home / 5,785.94-7,988.56-3,692.90

Finding the Fourth Proportional to 5,785.94, 7,988.56 and 3,692.90

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Solution

The fourth proportional to 5,785.94, 7,988.56 and 3,692.90 is: 5,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.94 : 7,988.56 = 3,692.90 : x
  2. Step 2: Convert to fraction form
    5,785.94/7,988.56 = 3,692.90/x
  3. Step 3: Cross multiply
    5,785.94x = 7,988.56 × 3,692.90
  4. Step 4: Simplify right side
    5,785.94x = 29,500,953.22
  5. Step 5: Solve for x
    x = 29,500,953.22/5,785.94
  6. Step 6: Final answer
    x = 5,098.73

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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.