Home / 5,186.44-7,776.42-2,411.40

Finding the Fourth Proportional to 5,186.44, 7,776.42 and 2,411.40

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Solution

The fourth proportional to 5,186.44, 7,776.42 and 2,411.40 is: 3,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.44 : 7,776.42 = 2,411.40 : x
  2. Step 2: Convert to fraction form
    5,186.44/7,776.42 = 2,411.40/x
  3. Step 3: Cross multiply
    5,186.44x = 7,776.42 × 2,411.40
  4. Step 4: Simplify right side
    5,186.44x = 18,752,059.19
  5. Step 5: Solve for x
    x = 18,752,059.19/5,186.44
  6. Step 6: Final answer
    x = 3,615.59

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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.