Home / 4,967.40-6,853.02-3,078.36

Finding the Fourth Proportional to 4,967.40, 6,853.02 and 3,078.36

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Solution

The fourth proportional to 4,967.40, 6,853.02 and 3,078.36 is: 4,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.40 : 6,853.02 = 3,078.36 : x
  2. Step 2: Convert to fraction form
    4,967.40/6,853.02 = 3,078.36/x
  3. Step 3: Cross multiply
    4,967.40x = 6,853.02 × 3,078.36
  4. Step 4: Simplify right side
    4,967.40x = 21,096,062.65
  5. Step 5: Solve for x
    x = 21,096,062.65/4,967.40
  6. Step 6: Final answer
    x = 4,246.90

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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.