Home / 4,479.12-6,718.67-1,192.22

Finding the Fourth Proportional to 4,479.12, 6,718.67 and 1,192.22

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Solution

The fourth proportional to 4,479.12, 6,718.67 and 1,192.22 is: 1,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.12 : 6,718.67 = 1,192.22 : x
  2. Step 2: Convert to fraction form
    4,479.12/6,718.67 = 1,192.22/x
  3. Step 3: Cross multiply
    4,479.12x = 6,718.67 × 1,192.22
  4. Step 4: Simplify right side
    4,479.12x = 8,010,126.21
  5. Step 5: Solve for x
    x = 8,010,126.21/4,479.12
  6. Step 6: Final answer
    x = 1,788.32

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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.