Home / 4,918.85-6,787.14-2,929.08

Finding the Fourth Proportional to 4,918.85, 6,787.14 and 2,929.08

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Solution

The fourth proportional to 4,918.85, 6,787.14 and 2,929.08 is: 4,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.85 : 6,787.14 = 2,929.08 : x
  2. Step 2: Convert to fraction form
    4,918.85/6,787.14 = 2,929.08/x
  3. Step 3: Cross multiply
    4,918.85x = 6,787.14 × 2,929.08
  4. Step 4: Simplify right side
    4,918.85x = 19,880,076.03
  5. Step 5: Solve for x
    x = 19,880,076.03/4,918.85
  6. Step 6: Final answer
    x = 4,041.61

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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.