Home / 7,015.90-10,514.76-2,851.03

Finding the Fourth Proportional to 7,015.90, 10,514.76 and 2,851.03

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Solution

The fourth proportional to 7,015.90, 10,514.76 and 2,851.03 is: 4,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.90 : 10,514.76 = 2,851.03 : x
  2. Step 2: Convert to fraction form
    7,015.90/10,514.76 = 2,851.03/x
  3. Step 3: Cross multiply
    7,015.90x = 10,514.76 × 2,851.03
  4. Step 4: Simplify right side
    7,015.90x = 29,977,896.20
  5. Step 5: Solve for x
    x = 29,977,896.20/7,015.90
  6. Step 6: Final answer
    x = 4,272.85

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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.