Home / 5,203.23-7,807.91-1,916.58

Finding the Fourth Proportional to 5,203.23, 7,807.91 and 1,916.58

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Solution

The fourth proportional to 5,203.23, 7,807.91 and 1,916.58 is: 2,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.23 : 7,807.91 = 1,916.58 : x
  2. Step 2: Convert to fraction form
    5,203.23/7,807.91 = 1,916.58/x
  3. Step 3: Cross multiply
    5,203.23x = 7,807.91 × 1,916.58
  4. Step 4: Simplify right side
    5,203.23x = 14,964,474.56
  5. Step 5: Solve for x
    x = 14,964,474.56/5,203.23
  6. Step 6: Final answer
    x = 2,876.00

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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.