Home / 5,043.74-7,571.28-2,124.50

Finding the Fourth Proportional to 5,043.74, 7,571.28 and 2,124.50

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Solution

The fourth proportional to 5,043.74, 7,571.28 and 2,124.50 is: 3,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.74 : 7,571.28 = 2,124.50 : x
  2. Step 2: Convert to fraction form
    5,043.74/7,571.28 = 2,124.50/x
  3. Step 3: Cross multiply
    5,043.74x = 7,571.28 × 2,124.50
  4. Step 4: Simplify right side
    5,043.74x = 16,085,184.36
  5. Step 5: Solve for x
    x = 16,085,184.36/5,043.74
  6. Step 6: Final answer
    x = 3,189.14

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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.