Home / 6,424.83-8,867.73-4,182.80

Finding the Fourth Proportional to 6,424.83, 8,867.73 and 4,182.80

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Solution

The fourth proportional to 6,424.83, 8,867.73 and 4,182.80 is: 5,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.83 : 8,867.73 = 4,182.80 : x
  2. Step 2: Convert to fraction form
    6,424.83/8,867.73 = 4,182.80/x
  3. Step 3: Cross multiply
    6,424.83x = 8,867.73 × 4,182.80
  4. Step 4: Simplify right side
    6,424.83x = 37,091,896.71
  5. Step 5: Solve for x
    x = 37,091,896.71/6,424.83
  6. Step 6: Final answer
    x = 5,773.21

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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.