Home / 4,886.31-7,333.08-2,807.31

Finding the Fourth Proportional to 4,886.31, 7,333.08 and 2,807.31

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Solution

The fourth proportional to 4,886.31, 7,333.08 and 2,807.31 is: 4,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.31 : 7,333.08 = 2,807.31 : x
  2. Step 2: Convert to fraction form
    4,886.31/7,333.08 = 2,807.31/x
  3. Step 3: Cross multiply
    4,886.31x = 7,333.08 × 2,807.31
  4. Step 4: Simplify right side
    4,886.31x = 20,586,228.81
  5. Step 5: Solve for x
    x = 20,586,228.81/4,886.31
  6. Step 6: Final answer
    x = 4,213.04

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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.