Home / 5,125.88-7,692.47-2,355.68

Finding the Fourth Proportional to 5,125.88, 7,692.47 and 2,355.68

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Solution

The fourth proportional to 5,125.88, 7,692.47 and 2,355.68 is: 3,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.88 : 7,692.47 = 2,355.68 : x
  2. Step 2: Convert to fraction form
    5,125.88/7,692.47 = 2,355.68/x
  3. Step 3: Cross multiply
    5,125.88x = 7,692.47 × 2,355.68
  4. Step 4: Simplify right side
    5,125.88x = 18,121,014.02
  5. Step 5: Solve for x
    x = 18,121,014.02/5,125.88
  6. Step 6: Final answer
    x = 3,535.20

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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.