Home / 6,143.22-8,477.88-3,491.10

Finding the Fourth Proportional to 6,143.22, 8,477.88 and 3,491.10

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Solution

The fourth proportional to 6,143.22, 8,477.88 and 3,491.10 is: 4,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.22 : 8,477.88 = 3,491.10 : x
  2. Step 2: Convert to fraction form
    6,143.22/8,477.88 = 3,491.10/x
  3. Step 3: Cross multiply
    6,143.22x = 8,477.88 × 3,491.10
  4. Step 4: Simplify right side
    6,143.22x = 29,597,126.87
  5. Step 5: Solve for x
    x = 29,597,126.87/6,143.22
  6. Step 6: Final answer
    x = 4,817.85

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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.