Home / 5,042.31-6,957.86-2,803.96

Finding the Fourth Proportional to 5,042.31, 6,957.86 and 2,803.96

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Solution

The fourth proportional to 5,042.31, 6,957.86 and 2,803.96 is: 3,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.31 : 6,957.86 = 2,803.96 : x
  2. Step 2: Convert to fraction form
    5,042.31/6,957.86 = 2,803.96/x
  3. Step 3: Cross multiply
    5,042.31x = 6,957.86 × 2,803.96
  4. Step 4: Simplify right side
    5,042.31x = 19,509,561.13
  5. Step 5: Solve for x
    x = 19,509,561.13/5,042.31
  6. Step 6: Final answer
    x = 3,869.17

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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.