Home / 6,180.49-8,529.07-3,385.99

Finding the Fourth Proportional to 6,180.49, 8,529.07 and 3,385.99

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Solution

The fourth proportional to 6,180.49, 8,529.07 and 3,385.99 is: 4,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.49 : 8,529.07 = 3,385.99 : x
  2. Step 2: Convert to fraction form
    6,180.49/8,529.07 = 3,385.99/x
  3. Step 3: Cross multiply
    6,180.49x = 8,529.07 × 3,385.99
  4. Step 4: Simplify right side
    6,180.49x = 28,879,315.82
  5. Step 5: Solve for x
    x = 28,879,315.82/6,180.49
  6. Step 6: Final answer
    x = 4,672.66

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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.