Home / 6,263.42-8,639.37-4,028.12

Finding the Fourth Proportional to 6,263.42, 8,639.37 and 4,028.12

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Solution

The fourth proportional to 6,263.42, 8,639.37 and 4,028.12 is: 5,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.42 : 8,639.37 = 4,028.12 : x
  2. Step 2: Convert to fraction form
    6,263.42/8,639.37 = 4,028.12/x
  3. Step 3: Cross multiply
    6,263.42x = 8,639.37 × 4,028.12
  4. Step 4: Simplify right side
    6,263.42x = 34,800,445.55
  5. Step 5: Solve for x
    x = 34,800,445.55/6,263.42
  6. Step 6: Final answer
    x = 5,556.14

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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.