Home / 6,727.20-10,071.60-4,135.20

Finding the Fourth Proportional to 6,727.20, 10,071.60 and 4,135.20

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Solution

The fourth proportional to 6,727.20, 10,071.60 and 4,135.20 is: 6,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.20 : 10,071.60 = 4,135.20 : x
  2. Step 2: Convert to fraction form
    6,727.20/10,071.60 = 4,135.20/x
  3. Step 3: Cross multiply
    6,727.20x = 10,071.60 × 4,135.20
  4. Step 4: Simplify right side
    6,727.20x = 41,648,080.32
  5. Step 5: Solve for x
    x = 41,648,080.32/6,727.20
  6. Step 6: Final answer
    x = 6,191.00

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1.5x scale

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.