Home / 6,087.78-9,135.60-2,192.10

Finding the Fourth Proportional to 6,087.78, 9,135.60 and 2,192.10

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Solution

The fourth proportional to 6,087.78, 9,135.60 and 2,192.10 is: 3,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.78 : 9,135.60 = 2,192.10 : x
  2. Step 2: Convert to fraction form
    6,087.78/9,135.60 = 2,192.10/x
  3. Step 3: Cross multiply
    6,087.78x = 9,135.60 × 2,192.10
  4. Step 4: Simplify right side
    6,087.78x = 20,026,148.76
  5. Step 5: Solve for x
    x = 20,026,148.76/6,087.78
  6. Step 6: Final answer
    x = 3,289.57

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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.