Home / 5,399.95-8,099.70-1,704.84

Finding the Fourth Proportional to 5,399.95, 8,099.70 and 1,704.84

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Solution

The fourth proportional to 5,399.95, 8,099.70 and 1,704.84 is: 2,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.95 : 8,099.70 = 1,704.84 : x
  2. Step 2: Convert to fraction form
    5,399.95/8,099.70 = 1,704.84/x
  3. Step 3: Cross multiply
    5,399.95x = 8,099.70 × 1,704.84
  4. Step 4: Simplify right side
    5,399.95x = 13,808,692.55
  5. Step 5: Solve for x
    x = 13,808,692.55/5,399.95
  6. Step 6: Final answer
    x = 2,557.19

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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.