Home / 5,264.99-7,890.65-2,141.36

Finding the Fourth Proportional to 5,264.99, 7,890.65 and 2,141.36

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Solution

The fourth proportional to 5,264.99, 7,890.65 and 2,141.36 is: 3,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.99 : 7,890.65 = 2,141.36 : x
  2. Step 2: Convert to fraction form
    5,264.99/7,890.65 = 2,141.36/x
  3. Step 3: Cross multiply
    5,264.99x = 7,890.65 × 2,141.36
  4. Step 4: Simplify right side
    5,264.99x = 16,896,722.28
  5. Step 5: Solve for x
    x = 16,896,722.28/5,264.99
  6. Step 6: Final answer
    x = 3,209.26

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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.