Home / 5,514.90-8,272.35-3,174.90

Finding the Fourth Proportional to 5,514.90, 8,272.35 and 3,174.90

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Solution

The fourth proportional to 5,514.90, 8,272.35 and 3,174.90 is: 4,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.90 : 8,272.35 = 3,174.90 : x
  2. Step 2: Convert to fraction form
    5,514.90/8,272.35 = 3,174.90/x
  3. Step 3: Cross multiply
    5,514.90x = 8,272.35 × 3,174.90
  4. Step 4: Simplify right side
    5,514.90x = 26,263,884.02
  5. Step 5: Solve for x
    x = 26,263,884.02/5,514.90
  6. Step 6: Final answer
    x = 4,762.35

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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.