Home / 2,176.02-3,264.22-1,079.28

Finding the Fourth Proportional to 2,176.02, 3,264.22 and 1,079.28

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Solution

The fourth proportional to 2,176.02, 3,264.22 and 1,079.28 is: 1,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.02 : 3,264.22 = 1,079.28 : x
  2. Step 2: Convert to fraction form
    2,176.02/3,264.22 = 1,079.28/x
  3. Step 3: Cross multiply
    2,176.02x = 3,264.22 × 1,079.28
  4. Step 4: Simplify right side
    2,176.02x = 3,523,007.36
  5. Step 5: Solve for x
    x = 3,523,007.36/2,176.02
  6. Step 6: Final answer
    x = 1,619.01

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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.