Home / 2,592.36-3,889.08-1,359

Finding the Fourth Proportional to 2,592.36, 3,889.08 and 1,359

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Solution

The fourth proportional to 2,592.36, 3,889.08 and 1,359 is: 2,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.36 : 3,889.08 = 1,359 : x
  2. Step 2: Convert to fraction form
    2,592.36/3,889.08 = 1,359/x
  3. Step 3: Cross multiply
    2,592.36x = 3,889.08 × 1,359
  4. Step 4: Simplify right side
    2,592.36x = 5,285,259.72
  5. Step 5: Solve for x
    x = 5,285,259.72/2,592.36
  6. Step 6: Final answer
    x = 2,038.78

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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.