Home / 5,127.91-7,692.04-1,617.95

Finding the Fourth Proportional to 5,127.91, 7,692.04 and 1,617.95

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Solution

The fourth proportional to 5,127.91, 7,692.04 and 1,617.95 is: 2,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.91 : 7,692.04 = 1,617.95 : x
  2. Step 2: Convert to fraction form
    5,127.91/7,692.04 = 1,617.95/x
  3. Step 3: Cross multiply
    5,127.91x = 7,692.04 × 1,617.95
  4. Step 4: Simplify right side
    5,127.91x = 12,445,348.27
  5. Step 5: Solve for x
    x = 12,445,348.27/5,127.91
  6. Step 6: Final answer
    x = 2,426.98

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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.