Home / 4,721.52-7,083.13-1,946.64

Finding the Fourth Proportional to 4,721.52, 7,083.13 and 1,946.64

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Solution

The fourth proportional to 4,721.52, 7,083.13 and 1,946.64 is: 2,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.52 : 7,083.13 = 1,946.64 : x
  2. Step 2: Convert to fraction form
    4,721.52/7,083.13 = 1,946.64/x
  3. Step 3: Cross multiply
    4,721.52x = 7,083.13 × 1,946.64
  4. Step 4: Simplify right side
    4,721.52x = 13,788,317.02
  5. Step 5: Solve for x
    x = 13,788,317.02/4,721.52
  6. Step 6: Final answer
    x = 2,920.32

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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.