Home / 6,285.59-8,674.13-3,491.09

Finding the Fourth Proportional to 6,285.59, 8,674.13 and 3,491.09

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Solution

The fourth proportional to 6,285.59, 8,674.13 and 3,491.09 is: 4,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.59 : 8,674.13 = 3,491.09 : x
  2. Step 2: Convert to fraction form
    6,285.59/8,674.13 = 3,491.09/x
  3. Step 3: Cross multiply
    6,285.59x = 8,674.13 × 3,491.09
  4. Step 4: Simplify right side
    6,285.59x = 30,282,133.86
  5. Step 5: Solve for x
    x = 30,282,133.86/6,285.59
  6. Step 6: Final answer
    x = 4,817.71

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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.