Home / 5,841.76-8,765.98-2,143.50

Finding the Fourth Proportional to 5,841.76, 8,765.98 and 2,143.50

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Solution

The fourth proportional to 5,841.76, 8,765.98 and 2,143.50 is: 3,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,841.76 : 8,765.98 = 2,143.50 : x
  2. Step 2: Convert to fraction form
    5,841.76/8,765.98 = 2,143.50/x
  3. Step 3: Cross multiply
    5,841.76x = 8,765.98 × 2,143.50
  4. Step 4: Simplify right side
    5,841.76x = 18,789,878.13
  5. Step 5: Solve for x
    x = 18,789,878.13/5,841.76
  6. Step 6: Final answer
    x = 3,216.48

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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.