Home / 4,694.52-7,042.59-1,407.81

Finding the Fourth Proportional to 4,694.52, 7,042.59 and 1,407.81

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Solution

The fourth proportional to 4,694.52, 7,042.59 and 1,407.81 is: 2,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.52 : 7,042.59 = 1,407.81 : x
  2. Step 2: Convert to fraction form
    4,694.52/7,042.59 = 1,407.81/x
  3. Step 3: Cross multiply
    4,694.52x = 7,042.59 × 1,407.81
  4. Step 4: Simplify right side
    4,694.52x = 9,914,628.63
  5. Step 5: Solve for x
    x = 9,914,628.63/4,694.52
  6. Step 6: Final answer
    x = 2,111.96

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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.