Home / 5,154.68-7,732.56-1,692.56

Finding the Fourth Proportional to 5,154.68, 7,732.56 and 1,692.56

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Solution

The fourth proportional to 5,154.68, 7,732.56 and 1,692.56 is: 2,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.68 : 7,732.56 = 1,692.56 : x
  2. Step 2: Convert to fraction form
    5,154.68/7,732.56 = 1,692.56/x
  3. Step 3: Cross multiply
    5,154.68x = 7,732.56 × 1,692.56
  4. Step 4: Simplify right side
    5,154.68x = 13,087,821.75
  5. Step 5: Solve for x
    x = 13,087,821.75/5,154.68
  6. Step 6: Final answer
    x = 2,539.02

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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.