Home / 6,174.39-8,520.18-3,521.63

Finding the Fourth Proportional to 6,174.39, 8,520.18 and 3,521.63

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Solution

The fourth proportional to 6,174.39, 8,520.18 and 3,521.63 is: 4,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.39 : 8,520.18 = 3,521.63 : x
  2. Step 2: Convert to fraction form
    6,174.39/8,520.18 = 3,521.63/x
  3. Step 3: Cross multiply
    6,174.39x = 8,520.18 × 3,521.63
  4. Step 4: Simplify right side
    6,174.39x = 30,004,903.89
  5. Step 5: Solve for x
    x = 30,004,903.89/6,174.39
  6. Step 6: Final answer
    x = 4,859.57

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Half scale
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Double scale
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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.