Home / 4,088.88-6,136.56-1,782

Finding the Fourth Proportional to 4,088.88, 6,136.56 and 1,782

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Solution

The fourth proportional to 4,088.88, 6,136.56 and 1,782 is: 2,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.88 : 6,136.56 = 1,782 : x
  2. Step 2: Convert to fraction form
    4,088.88/6,136.56 = 1,782/x
  3. Step 3: Cross multiply
    4,088.88x = 6,136.56 × 1,782
  4. Step 4: Simplify right side
    4,088.88x = 10,935,349.92
  5. Step 5: Solve for x
    x = 10,935,349.92/4,088.88
  6. Step 6: Final answer
    x = 2,674.41

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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.