Home / 6,266.48-8,640.44-4,278.16

Finding the Fourth Proportional to 6,266.48, 8,640.44 and 4,278.16

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Solution

The fourth proportional to 6,266.48, 8,640.44 and 4,278.16 is: 5,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.48 : 8,640.44 = 4,278.16 : x
  2. Step 2: Convert to fraction form
    6,266.48/8,640.44 = 4,278.16/x
  3. Step 3: Cross multiply
    6,266.48x = 8,640.44 × 4,278.16
  4. Step 4: Simplify right side
    6,266.48x = 36,965,184.79
  5. Step 5: Solve for x
    x = 36,965,184.79/6,266.48
  6. Step 6: Final answer
    x = 5,898.88

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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.