Home / 5,415.56-8,124.71-2,495.91

Finding the Fourth Proportional to 5,415.56, 8,124.71 and 2,495.91

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Solution

The fourth proportional to 5,415.56, 8,124.71 and 2,495.91 is: 3,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.56 : 8,124.71 = 2,495.91 : x
  2. Step 2: Convert to fraction form
    5,415.56/8,124.71 = 2,495.91/x
  3. Step 3: Cross multiply
    5,415.56x = 8,124.71 × 2,495.91
  4. Step 4: Simplify right side
    5,415.56x = 20,278,562.92
  5. Step 5: Solve for x
    x = 20,278,562.92/5,415.56
  6. Step 6: Final answer
    x = 3,744.50

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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.