Home / 5,415.43-8,124.60-2,293.69

Finding the Fourth Proportional to 5,415.43, 8,124.60 and 2,293.69

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Solution

The fourth proportional to 5,415.43, 8,124.60 and 2,293.69 is: 3,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.43 : 8,124.60 = 2,293.69 : x
  2. Step 2: Convert to fraction form
    5,415.43/8,124.60 = 2,293.69/x
  3. Step 3: Cross multiply
    5,415.43x = 8,124.60 × 2,293.69
  4. Step 4: Simplify right side
    5,415.43x = 18,635,313.77
  5. Step 5: Solve for x
    x = 18,635,313.77/5,415.43
  6. Step 6: Final answer
    x = 3,441.15

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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.