Home / 4,973.18-6,862.80-2,982.56

Finding the Fourth Proportional to 4,973.18, 6,862.80 and 2,982.56

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Solution

The fourth proportional to 4,973.18, 6,862.80 and 2,982.56 is: 4,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.18 : 6,862.80 = 2,982.56 : x
  2. Step 2: Convert to fraction form
    4,973.18/6,862.80 = 2,982.56/x
  3. Step 3: Cross multiply
    4,973.18x = 6,862.80 × 2,982.56
  4. Step 4: Simplify right side
    4,973.18x = 20,468,712.77
  5. Step 5: Solve for x
    x = 20,468,712.77/4,973.18
  6. Step 6: Final answer
    x = 4,115.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.