Home / 6,285.48-9,429.68-2,125.41

Finding the Fourth Proportional to 6,285.48, 9,429.68 and 2,125.41

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Solution

The fourth proportional to 6,285.48, 9,429.68 and 2,125.41 is: 3,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.48 : 9,429.68 = 2,125.41 : x
  2. Step 2: Convert to fraction form
    6,285.48/9,429.68 = 2,125.41/x
  3. Step 3: Cross multiply
    6,285.48x = 9,429.68 × 2,125.41
  4. Step 4: Simplify right side
    6,285.48x = 20,041,936.17
  5. Step 5: Solve for x
    x = 20,041,936.17/6,285.48
  6. Step 6: Final answer
    x = 3,188.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.