Home / 7,372.08-10,172.79-4,387.43

Finding the Fourth Proportional to 7,372.08, 10,172.79 and 4,387.43

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Solution

The fourth proportional to 7,372.08, 10,172.79 and 4,387.43 is: 6,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.08 : 10,172.79 = 4,387.43 : x
  2. Step 2: Convert to fraction form
    7,372.08/10,172.79 = 4,387.43/x
  3. Step 3: Cross multiply
    7,372.08x = 10,172.79 × 4,387.43
  4. Step 4: Simplify right side
    7,372.08x = 44,632,429.46
  5. Step 5: Solve for x
    x = 44,632,429.46/7,372.08
  6. Step 6: Final answer
    x = 6,054.25

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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.