Home / 4,479.74-6,717.43-1,359.18

Finding the Fourth Proportional to 4,479.74, 6,717.43 and 1,359.18

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Solution

The fourth proportional to 4,479.74, 6,717.43 and 1,359.18 is: 2,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.74 : 6,717.43 = 1,359.18 : x
  2. Step 2: Convert to fraction form
    4,479.74/6,717.43 = 1,359.18/x
  3. Step 3: Cross multiply
    4,479.74x = 6,717.43 × 1,359.18
  4. Step 4: Simplify right side
    4,479.74x = 9,130,198.21
  5. Step 5: Solve for x
    x = 9,130,198.21/4,479.74
  6. Step 6: Final answer
    x = 2,038.11

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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.