Home / 3,031.68-4,549.90-1,571.24

Finding the Fourth Proportional to 3,031.68, 4,549.90 and 1,571.24

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Solution

The fourth proportional to 3,031.68, 4,549.90 and 1,571.24 is: 2,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.68 : 4,549.90 = 1,571.24 : x
  2. Step 2: Convert to fraction form
    3,031.68/4,549.90 = 1,571.24/x
  3. Step 3: Cross multiply
    3,031.68x = 4,549.90 × 1,571.24
  4. Step 4: Simplify right side
    3,031.68x = 7,148,984.88
  5. Step 5: Solve for x
    x = 7,148,984.88/3,031.68
  6. Step 6: Final answer
    x = 2,358.09

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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.