Home / 6,089.99-8,403.85-3,400.72

Finding the Fourth Proportional to 6,089.99, 8,403.85 and 3,400.72

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Solution

The fourth proportional to 6,089.99, 8,403.85 and 3,400.72 is: 4,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.99 : 8,403.85 = 3,400.72 : x
  2. Step 2: Convert to fraction form
    6,089.99/8,403.85 = 3,400.72/x
  3. Step 3: Cross multiply
    6,089.99x = 8,403.85 × 3,400.72
  4. Step 4: Simplify right side
    6,089.99x = 28,579,124.01
  5. Step 5: Solve for x
    x = 28,579,124.01/6,089.99
  6. Step 6: Final answer
    x = 4,692.81

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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.