Home / 4,253.98-6,382.79-1,479.13

Finding the Fourth Proportional to 4,253.98, 6,382.79 and 1,479.13

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Solution

The fourth proportional to 4,253.98, 6,382.79 and 1,479.13 is: 2,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.98 : 6,382.79 = 1,479.13 : x
  2. Step 2: Convert to fraction form
    4,253.98/6,382.79 = 1,479.13/x
  3. Step 3: Cross multiply
    4,253.98x = 6,382.79 × 1,479.13
  4. Step 4: Simplify right side
    4,253.98x = 9,440,968.78
  5. Step 5: Solve for x
    x = 9,440,968.78/4,253.98
  6. Step 6: Final answer
    x = 2,219.33

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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.