Home / 6,080.59-8,390.55-3,428.11

Finding the Fourth Proportional to 6,080.59, 8,390.55 and 3,428.11

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Solution

The fourth proportional to 6,080.59, 8,390.55 and 3,428.11 is: 4,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.59 : 8,390.55 = 3,428.11 : x
  2. Step 2: Convert to fraction form
    6,080.59/8,390.55 = 3,428.11/x
  3. Step 3: Cross multiply
    6,080.59x = 8,390.55 × 3,428.11
  4. Step 4: Simplify right side
    6,080.59x = 28,763,728.36
  5. Step 5: Solve for x
    x = 28,763,728.36/6,080.59
  6. Step 6: Final answer
    x = 4,730.42

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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.