Home / 4,939.60-7,405.08-2,306.56

Finding the Fourth Proportional to 4,939.60, 7,405.08 and 2,306.56

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Solution

The fourth proportional to 4,939.60, 7,405.08 and 2,306.56 is: 3,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.60 : 7,405.08 = 2,306.56 : x
  2. Step 2: Convert to fraction form
    4,939.60/7,405.08 = 2,306.56/x
  3. Step 3: Cross multiply
    4,939.60x = 7,405.08 × 2,306.56
  4. Step 4: Simplify right side
    4,939.60x = 17,080,261.32
  5. Step 5: Solve for x
    x = 17,080,261.32/4,939.60
  6. Step 6: Final answer
    x = 3,457.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.