Home / 3,927.50-5,899.44-3,312.41

Finding the Fourth Proportional to 3,927.50, 5,899.44 and 3,312.41

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Solution

The fourth proportional to 3,927.50, 5,899.44 and 3,312.41 is: 4,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.50 : 5,899.44 = 3,312.41 : x
  2. Step 2: Convert to fraction form
    3,927.50/5,899.44 = 3,312.41/x
  3. Step 3: Cross multiply
    3,927.50x = 5,899.44 × 3,312.41
  4. Step 4: Simplify right side
    3,927.50x = 19,541,334.55
  5. Step 5: Solve for x
    x = 19,541,334.55/3,927.50
  6. Step 6: Final answer
    x = 4,975.52

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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.