Home / 4,518.30-6,777.45-2,968.10

Finding the Fourth Proportional to 4,518.30, 6,777.45 and 2,968.10

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Solution

The fourth proportional to 4,518.30, 6,777.45 and 2,968.10 is: 4,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.30 : 6,777.45 = 2,968.10 : x
  2. Step 2: Convert to fraction form
    4,518.30/6,777.45 = 2,968.10/x
  3. Step 3: Cross multiply
    4,518.30x = 6,777.45 × 2,968.10
  4. Step 4: Simplify right side
    4,518.30x = 20,116,149.35
  5. Step 5: Solve for x
    x = 20,116,149.35/4,518.30
  6. Step 6: Final answer
    x = 4,452.15

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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.