Home / 6,292.42-8,682.14-3,639.76

Finding the Fourth Proportional to 6,292.42, 8,682.14 and 3,639.76

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Solution

The fourth proportional to 6,292.42, 8,682.14 and 3,639.76 is: 5,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.42 : 8,682.14 = 3,639.76 : x
  2. Step 2: Convert to fraction form
    6,292.42/8,682.14 = 3,639.76/x
  3. Step 3: Cross multiply
    6,292.42x = 8,682.14 × 3,639.76
  4. Step 4: Simplify right side
    6,292.42x = 31,600,893.28
  5. Step 5: Solve for x
    x = 31,600,893.28/6,292.42
  6. Step 6: Final answer
    x = 5,022.06

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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.