Home / 5,780.76-8,663.58-2,320.44

Finding the Fourth Proportional to 5,780.76, 8,663.58 and 2,320.44

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Solution

The fourth proportional to 5,780.76, 8,663.58 and 2,320.44 is: 3,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.76 : 8,663.58 = 2,320.44 : x
  2. Step 2: Convert to fraction form
    5,780.76/8,663.58 = 2,320.44/x
  3. Step 3: Cross multiply
    5,780.76x = 8,663.58 × 2,320.44
  4. Step 4: Simplify right side
    5,780.76x = 20,103,317.58
  5. Step 5: Solve for x
    x = 20,103,317.58/5,780.76
  6. Step 6: Final answer
    x = 3,477.63

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1.5x scale

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.