Home / 4,939.71-6,814.74-3,237.75

Finding the Fourth Proportional to 4,939.71, 6,814.74 and 3,237.75

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Solution

The fourth proportional to 4,939.71, 6,814.74 and 3,237.75 is: 4,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.71 : 6,814.74 = 3,237.75 : x
  2. Step 2: Convert to fraction form
    4,939.71/6,814.74 = 3,237.75/x
  3. Step 3: Cross multiply
    4,939.71x = 6,814.74 × 3,237.75
  4. Step 4: Simplify right side
    4,939.71x = 22,064,424.44
  5. Step 5: Solve for x
    x = 22,064,424.44/4,939.71
  6. Step 6: Final answer
    x = 4,466.74

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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.