Home / 6,297.28-8,690.08-3,502.72

Finding the Fourth Proportional to 6,297.28, 8,690.08 and 3,502.72

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Solution

The fourth proportional to 6,297.28, 8,690.08 and 3,502.72 is: 4,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.28 : 8,690.08 = 3,502.72 : x
  2. Step 2: Convert to fraction form
    6,297.28/8,690.08 = 3,502.72/x
  3. Step 3: Cross multiply
    6,297.28x = 8,690.08 × 3,502.72
  4. Step 4: Simplify right side
    6,297.28x = 30,438,917.02
  5. Step 5: Solve for x
    x = 30,438,917.02/6,297.28
  6. Step 6: Final answer
    x = 4,833.66

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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.