Home / 4,912.50-7,396.52-4,331.22

Finding the Fourth Proportional to 4,912.50, 7,396.52 and 4,331.22

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Solution

The fourth proportional to 4,912.50, 7,396.52 and 4,331.22 is: 6,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.50 : 7,396.52 = 4,331.22 : x
  2. Step 2: Convert to fraction form
    4,912.50/7,396.52 = 4,331.22/x
  3. Step 3: Cross multiply
    4,912.50x = 7,396.52 × 4,331.22
  4. Step 4: Simplify right side
    4,912.50x = 32,035,955.35
  5. Step 5: Solve for x
    x = 32,035,955.35/4,912.50
  6. Step 6: Final answer
    x = 6,521.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.