Home / 7,031.43-10,547.19-3,571.11

Finding the Fourth Proportional to 7,031.43, 10,547.19 and 3,571.11

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Solution

The fourth proportional to 7,031.43, 10,547.19 and 3,571.11 is: 5,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.43 : 10,547.19 = 3,571.11 : x
  2. Step 2: Convert to fraction form
    7,031.43/10,547.19 = 3,571.11/x
  3. Step 3: Cross multiply
    7,031.43x = 10,547.19 × 3,571.11
  4. Step 4: Simplify right side
    7,031.43x = 37,665,175.68
  5. Step 5: Solve for x
    x = 37,665,175.68/7,031.43
  6. Step 6: Final answer
    x = 5,356.69

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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.