Home / 4,731.63-7,092.14-1,919.81

Finding the Fourth Proportional to 4,731.63, 7,092.14 and 1,919.81

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Solution

The fourth proportional to 4,731.63, 7,092.14 and 1,919.81 is: 2,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.63 : 7,092.14 = 1,919.81 : x
  2. Step 2: Convert to fraction form
    4,731.63/7,092.14 = 1,919.81/x
  3. Step 3: Cross multiply
    4,731.63x = 7,092.14 × 1,919.81
  4. Step 4: Simplify right side
    4,731.63x = 13,615,551.69
  5. Step 5: Solve for x
    x = 13,615,551.69/4,731.63
  6. Step 6: Final answer
    x = 2,877.56

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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.