Home / 5,272.71-7,271.63-4,375.03

Finding the Fourth Proportional to 5,272.71, 7,271.63 and 4,375.03

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Solution

The fourth proportional to 5,272.71, 7,271.63 and 4,375.03 is: 6,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.71 : 7,271.63 = 4,375.03 : x
  2. Step 2: Convert to fraction form
    5,272.71/7,271.63 = 4,375.03/x
  3. Step 3: Cross multiply
    5,272.71x = 7,271.63 × 4,375.03
  4. Step 4: Simplify right side
    5,272.71x = 31,813,561.78
  5. Step 5: Solve for x
    x = 31,813,561.78/5,272.71
  6. Step 6: Final answer
    x = 6,033.62

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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.