Home / 5,397.87-7,449.20-2,975.32

Finding the Fourth Proportional to 5,397.87, 7,449.20 and 2,975.32

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Solution

The fourth proportional to 5,397.87, 7,449.20 and 2,975.32 is: 4,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.87 : 7,449.20 = 2,975.32 : x
  2. Step 2: Convert to fraction form
    5,397.87/7,449.20 = 2,975.32/x
  3. Step 3: Cross multiply
    5,397.87x = 7,449.20 × 2,975.32
  4. Step 4: Simplify right side
    5,397.87x = 22,163,717.43
  5. Step 5: Solve for x
    x = 22,163,717.43/5,397.87
  6. Step 6: Final answer
    x = 4,106.01

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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.