Home / 5,031.63-7,544.52-1,520.58

Finding the Fourth Proportional to 5,031.63, 7,544.52 and 1,520.58

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Solution

The fourth proportional to 5,031.63, 7,544.52 and 1,520.58 is: 2,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.63 : 7,544.52 = 1,520.58 : x
  2. Step 2: Convert to fraction form
    5,031.63/7,544.52 = 1,520.58/x
  3. Step 3: Cross multiply
    5,031.63x = 7,544.52 × 1,520.58
  4. Step 4: Simplify right side
    5,031.63x = 11,472,046.22
  5. Step 5: Solve for x
    x = 11,472,046.22/5,031.63
  6. Step 6: Final answer
    x = 2,279.99

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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.