Home / 7,451.71-10,283.91-4,619.63

Finding the Fourth Proportional to 7,451.71, 10,283.91 and 4,619.63

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Solution

The fourth proportional to 7,451.71, 10,283.91 and 4,619.63 is: 6,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.71 : 10,283.91 = 4,619.63 : x
  2. Step 2: Convert to fraction form
    7,451.71/10,283.91 = 4,619.63/x
  3. Step 3: Cross multiply
    7,451.71x = 10,283.91 × 4,619.63
  4. Step 4: Simplify right side
    7,451.71x = 47,507,859.15
  5. Step 5: Solve for x
    x = 47,507,859.15/7,451.71
  6. Step 6: Final answer
    x = 6,375.43

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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.