Home / 4,712.48-7,068.96-1,791.02

Finding the Fourth Proportional to 4,712.48, 7,068.96 and 1,791.02

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Solution

The fourth proportional to 4,712.48, 7,068.96 and 1,791.02 is: 2,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.48 : 7,068.96 = 1,791.02 : x
  2. Step 2: Convert to fraction form
    4,712.48/7,068.96 = 1,791.02/x
  3. Step 3: Cross multiply
    4,712.48x = 7,068.96 × 1,791.02
  4. Step 4: Simplify right side
    4,712.48x = 12,660,648.74
  5. Step 5: Solve for x
    x = 12,660,648.74/4,712.48
  6. Step 6: Final answer
    x = 2,686.62

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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.