Home / 5,748.48-8,623.68-1,853.28

Finding the Fourth Proportional to 5,748.48, 8,623.68 and 1,853.28

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Solution

The fourth proportional to 5,748.48, 8,623.68 and 1,853.28 is: 2,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.48 : 8,623.68 = 1,853.28 : x
  2. Step 2: Convert to fraction form
    5,748.48/8,623.68 = 1,853.28/x
  3. Step 3: Cross multiply
    5,748.48x = 8,623.68 × 1,853.28
  4. Step 4: Simplify right side
    5,748.48x = 15,982,093.67
  5. Step 5: Solve for x
    x = 15,982,093.67/5,748.48
  6. Step 6: Final answer
    x = 2,780.23

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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.