Home / 4,871.73-7,306.74-1,313.91

Finding the Fourth Proportional to 4,871.73, 7,306.74 and 1,313.91

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Solution

The fourth proportional to 4,871.73, 7,306.74 and 1,313.91 is: 1,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.73 : 7,306.74 = 1,313.91 : x
  2. Step 2: Convert to fraction form
    4,871.73/7,306.74 = 1,313.91/x
  3. Step 3: Cross multiply
    4,871.73x = 7,306.74 × 1,313.91
  4. Step 4: Simplify right side
    4,871.73x = 9,600,398.75
  5. Step 5: Solve for x
    x = 9,600,398.75/4,871.73
  6. Step 6: Final answer
    x = 1,970.63

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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.