Home / 4,938.06-7,405.73-2,438.05

Finding the Fourth Proportional to 4,938.06, 7,405.73 and 2,438.05

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Solution

The fourth proportional to 4,938.06, 7,405.73 and 2,438.05 is: 3,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.06 : 7,405.73 = 2,438.05 : x
  2. Step 2: Convert to fraction form
    4,938.06/7,405.73 = 2,438.05/x
  3. Step 3: Cross multiply
    4,938.06x = 7,405.73 × 2,438.05
  4. Step 4: Simplify right side
    4,938.06x = 18,055,532.35
  5. Step 5: Solve for x
    x = 18,055,532.35/4,938.06
  6. Step 6: Final answer
    x = 3,656.40

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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.