Home / 6,268.49-8,651.47-4,000.81

Finding the Fourth Proportional to 6,268.49, 8,651.47 and 4,000.81

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Solution

The fourth proportional to 6,268.49, 8,651.47 and 4,000.81 is: 5,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.49 : 8,651.47 = 4,000.81 : x
  2. Step 2: Convert to fraction form
    6,268.49/8,651.47 = 4,000.81/x
  3. Step 3: Cross multiply
    6,268.49x = 8,651.47 × 4,000.81
  4. Step 4: Simplify right side
    6,268.49x = 34,612,869.37
  5. Step 5: Solve for x
    x = 34,612,869.37/6,268.49
  6. Step 6: Final answer
    x = 5,521.72

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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.