Home / 5,213.49-7,818.35-1,514.73

Finding the Fourth Proportional to 5,213.49, 7,818.35 and 1,514.73

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Solution

The fourth proportional to 5,213.49, 7,818.35 and 1,514.73 is: 2,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.49 : 7,818.35 = 1,514.73 : x
  2. Step 2: Convert to fraction form
    5,213.49/7,818.35 = 1,514.73/x
  3. Step 3: Cross multiply
    5,213.49x = 7,818.35 × 1,514.73
  4. Step 4: Simplify right side
    5,213.49x = 11,842,681.72
  5. Step 5: Solve for x
    x = 11,842,681.72/5,213.49
  6. Step 6: Final answer
    x = 2,271.55

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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.