Home / 6,174.99-8,519.40-3,520.53

Finding the Fourth Proportional to 6,174.99, 8,519.40 and 3,520.53

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Solution

The fourth proportional to 6,174.99, 8,519.40 and 3,520.53 is: 4,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.99 : 8,519.40 = 3,520.53 : x
  2. Step 2: Convert to fraction form
    6,174.99/8,519.40 = 3,520.53/x
  3. Step 3: Cross multiply
    6,174.99x = 8,519.40 × 3,520.53
  4. Step 4: Simplify right side
    6,174.99x = 29,992,803.28
  5. Step 5: Solve for x
    x = 29,992,803.28/6,174.99
  6. Step 6: Final answer
    x = 4,857.14

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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.