Home / 3,116.43-4,674.69-1,008.45

Finding the Fourth Proportional to 3,116.43, 4,674.69 and 1,008.45

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Solution

The fourth proportional to 3,116.43, 4,674.69 and 1,008.45 is: 1,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.43 : 4,674.69 = 1,008.45 : x
  2. Step 2: Convert to fraction form
    3,116.43/4,674.69 = 1,008.45/x
  3. Step 3: Cross multiply
    3,116.43x = 4,674.69 × 1,008.45
  4. Step 4: Simplify right side
    3,116.43x = 4,714,191.13
  5. Step 5: Solve for x
    x = 4,714,191.13/3,116.43
  6. Step 6: Final answer
    x = 1,512.69

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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.