Home / 6,080.64-8,391.66-3,428.28

Finding the Fourth Proportional to 6,080.64, 8,391.66 and 3,428.28

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Solution

The fourth proportional to 6,080.64, 8,391.66 and 3,428.28 is: 4,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.64 : 8,391.66 = 3,428.28 : x
  2. Step 2: Convert to fraction form
    6,080.64/8,391.66 = 3,428.28/x
  3. Step 3: Cross multiply
    6,080.64x = 8,391.66 × 3,428.28
  4. Step 4: Simplify right side
    6,080.64x = 28,768,960.14
  5. Step 5: Solve for x
    x = 28,768,960.14/6,080.64
  6. Step 6: Final answer
    x = 4,731.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.