Home / 5,724.29-8,587.83-1,775.45

Finding the Fourth Proportional to 5,724.29, 8,587.83 and 1,775.45

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Solution

The fourth proportional to 5,724.29, 8,587.83 and 1,775.45 is: 2,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.29 : 8,587.83 = 1,775.45 : x
  2. Step 2: Convert to fraction form
    5,724.29/8,587.83 = 1,775.45/x
  3. Step 3: Cross multiply
    5,724.29x = 8,587.83 × 1,775.45
  4. Step 4: Simplify right side
    5,724.29x = 15,247,262.77
  5. Step 5: Solve for x
    x = 15,247,262.77/5,724.29
  6. Step 6: Final answer
    x = 2,663.61

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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.