Home / 4,929.15-7,385.37-2,977.25

Finding the Fourth Proportional to 4,929.15, 7,385.37 and 2,977.25

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Solution

The fourth proportional to 4,929.15, 7,385.37 and 2,977.25 is: 4,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.15 : 7,385.37 = 2,977.25 : x
  2. Step 2: Convert to fraction form
    4,929.15/7,385.37 = 2,977.25/x
  3. Step 3: Cross multiply
    4,929.15x = 7,385.37 × 2,977.25
  4. Step 4: Simplify right side
    4,929.15x = 21,988,077.95
  5. Step 5: Solve for x
    x = 21,988,077.95/4,929.15
  6. Step 6: Final answer
    x = 4,460.83

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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.