Home / 7,272.50-10,907.55-2,591.81

Finding the Fourth Proportional to 7,272.50, 10,907.55 and 2,591.81

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Solution

The fourth proportional to 7,272.50, 10,907.55 and 2,591.81 is: 3,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.50 : 10,907.55 = 2,591.81 : x
  2. Step 2: Convert to fraction form
    7,272.50/10,907.55 = 2,591.81/x
  3. Step 3: Cross multiply
    7,272.50x = 10,907.55 × 2,591.81
  4. Step 4: Simplify right side
    7,272.50x = 28,270,283.53
  5. Step 5: Solve for x
    x = 28,270,283.53/7,272.50
  6. Step 6: Final answer
    x = 3,887.29

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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.