Home / 7,372.44-10,172.37-4,387.70

Finding the Fourth Proportional to 7,372.44, 10,172.37 and 4,387.70

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Solution

The fourth proportional to 7,372.44, 10,172.37 and 4,387.70 is: 6,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.44 : 10,172.37 = 4,387.70 : x
  2. Step 2: Convert to fraction form
    7,372.44/10,172.37 = 4,387.70/x
  3. Step 3: Cross multiply
    7,372.44x = 10,172.37 × 4,387.70
  4. Step 4: Simplify right side
    7,372.44x = 44,633,256.99
  5. Step 5: Solve for x
    x = 44,633,256.99/7,372.44
  6. Step 6: Final answer
    x = 6,054.07

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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.