Home / 4,919.06-6,787.80-3,030.36

Finding the Fourth Proportional to 4,919.06, 6,787.80 and 3,030.36

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Solution

The fourth proportional to 4,919.06, 6,787.80 and 3,030.36 is: 4,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.06 : 6,787.80 = 3,030.36 : x
  2. Step 2: Convert to fraction form
    4,919.06/6,787.80 = 3,030.36/x
  3. Step 3: Cross multiply
    4,919.06x = 6,787.80 × 3,030.36
  4. Step 4: Simplify right side
    4,919.06x = 20,569,477.61
  5. Step 5: Solve for x
    x = 20,569,477.61/4,919.06
  6. Step 6: Final answer
    x = 4,181.59

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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.