Home / 4,840.72-6,684-3,719.92

Finding the Fourth Proportional to 4,840.72, 6,684 and 3,719.92

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Solution

The fourth proportional to 4,840.72, 6,684 and 3,719.92 is: 5,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.72 : 6,684 = 3,719.92 : x
  2. Step 2: Convert to fraction form
    4,840.72/6,684 = 3,719.92/x
  3. Step 3: Cross multiply
    4,840.72x = 6,684 × 3,719.92
  4. Step 4: Simplify right side
    4,840.72x = 24,863,945.28
  5. Step 5: Solve for x
    x = 24,863,945.28/4,840.72
  6. Step 6: Final answer
    x = 5,136.41

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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.