Home / 5,011.24-7,514.52-1,891.12

Finding the Fourth Proportional to 5,011.24, 7,514.52 and 1,891.12

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Solution

The fourth proportional to 5,011.24, 7,514.52 and 1,891.12 is: 2,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.24 : 7,514.52 = 1,891.12 : x
  2. Step 2: Convert to fraction form
    5,011.24/7,514.52 = 1,891.12/x
  3. Step 3: Cross multiply
    5,011.24x = 7,514.52 × 1,891.12
  4. Step 4: Simplify right side
    5,011.24x = 14,210,859.06
  5. Step 5: Solve for x
    x = 14,210,859.06/5,011.24
  6. Step 6: Final answer
    x = 2,835.80

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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.