Home / 5,031.36-7,548.12-2,107.98

Finding the Fourth Proportional to 5,031.36, 7,548.12 and 2,107.98

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Solution

The fourth proportional to 5,031.36, 7,548.12 and 2,107.98 is: 3,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.36 : 7,548.12 = 2,107.98 : x
  2. Step 2: Convert to fraction form
    5,031.36/7,548.12 = 2,107.98/x
  3. Step 3: Cross multiply
    5,031.36x = 7,548.12 × 2,107.98
  4. Step 4: Simplify right side
    5,031.36x = 15,911,286.00
  5. Step 5: Solve for x
    x = 15,911,286.00/5,031.36
  6. Step 6: Final answer
    x = 3,162.42

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1.5x scale

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.