Home / 4,911.45-6,777.74-2,673.30

Finding the Fourth Proportional to 4,911.45, 6,777.74 and 2,673.30

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Solution

The fourth proportional to 4,911.45, 6,777.74 and 2,673.30 is: 3,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.45 : 6,777.74 = 2,673.30 : x
  2. Step 2: Convert to fraction form
    4,911.45/6,777.74 = 2,673.30/x
  3. Step 3: Cross multiply
    4,911.45x = 6,777.74 × 2,673.30
  4. Step 4: Simplify right side
    4,911.45x = 18,118,918.98
  5. Step 5: Solve for x
    x = 18,118,918.98/4,911.45
  6. Step 6: Final answer
    x = 3,689.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.