Home / 4,707.75-7,062.71-1,629.75

Finding the Fourth Proportional to 4,707.75, 7,062.71 and 1,629.75

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Solution

The fourth proportional to 4,707.75, 7,062.71 and 1,629.75 is: 2,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.75 : 7,062.71 = 1,629.75 : x
  2. Step 2: Convert to fraction form
    4,707.75/7,062.71 = 1,629.75/x
  3. Step 3: Cross multiply
    4,707.75x = 7,062.71 × 1,629.75
  4. Step 4: Simplify right side
    4,707.75x = 11,510,451.62
  5. Step 5: Solve for x
    x = 11,510,451.62/4,707.75
  6. Step 6: Final answer
    x = 2,445.00

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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.