Home / 5,513.51-8,251.07-4,514.78

Finding the Fourth Proportional to 5,513.51, 8,251.07 and 4,514.78

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Solution

The fourth proportional to 5,513.51, 8,251.07 and 4,514.78 is: 6,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.51 : 8,251.07 = 4,514.78 : x
  2. Step 2: Convert to fraction form
    5,513.51/8,251.07 = 4,514.78/x
  3. Step 3: Cross multiply
    5,513.51x = 8,251.07 × 4,514.78
  4. Step 4: Simplify right side
    5,513.51x = 37,251,701.99
  5. Step 5: Solve for x
    x = 37,251,701.99/5,513.51
  6. Step 6: Final answer
    x = 6,756.45

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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.