Home / 5,373.75-7,415.85-2,951.31

Finding the Fourth Proportional to 5,373.75, 7,415.85 and 2,951.31

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Solution

The fourth proportional to 5,373.75, 7,415.85 and 2,951.31 is: 4,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.75 : 7,415.85 = 2,951.31 : x
  2. Step 2: Convert to fraction form
    5,373.75/7,415.85 = 2,951.31/x
  3. Step 3: Cross multiply
    5,373.75x = 7,415.85 × 2,951.31
  4. Step 4: Simplify right side
    5,373.75x = 21,886,490.80
  5. Step 5: Solve for x
    x = 21,886,490.80/5,373.75
  6. Step 6: Final answer
    x = 4,072.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.