Home / 5,743.35-8,618.67-2,459.21

Finding the Fourth Proportional to 5,743.35, 8,618.67 and 2,459.21

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Solution

The fourth proportional to 5,743.35, 8,618.67 and 2,459.21 is: 3,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.35 : 8,618.67 = 2,459.21 : x
  2. Step 2: Convert to fraction form
    5,743.35/8,618.67 = 2,459.21/x
  3. Step 3: Cross multiply
    5,743.35x = 8,618.67 × 2,459.21
  4. Step 4: Simplify right side
    5,743.35x = 21,195,119.45
  5. Step 5: Solve for x
    x = 21,195,119.45/5,743.35
  6. Step 6: Final answer
    x = 3,690.38

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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.