Home / 4,723.02-7,080.42-1,947.96

Finding the Fourth Proportional to 4,723.02, 7,080.42 and 1,947.96

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Solution

The fourth proportional to 4,723.02, 7,080.42 and 1,947.96 is: 2,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.02 : 7,080.42 = 1,947.96 : x
  2. Step 2: Convert to fraction form
    4,723.02/7,080.42 = 1,947.96/x
  3. Step 3: Cross multiply
    4,723.02x = 7,080.42 × 1,947.96
  4. Step 4: Simplify right side
    4,723.02x = 13,792,374.94
  5. Step 5: Solve for x
    x = 13,792,374.94/4,723.02
  6. Step 6: Final answer
    x = 2,920.24

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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.