Home / 2,776.77-4,161.56-1,457.18

Finding the Fourth Proportional to 2,776.77, 4,161.56 and 1,457.18

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Solution

The fourth proportional to 2,776.77, 4,161.56 and 1,457.18 is: 2,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.77 : 4,161.56 = 1,457.18 : x
  2. Step 2: Convert to fraction form
    2,776.77/4,161.56 = 1,457.18/x
  3. Step 3: Cross multiply
    2,776.77x = 4,161.56 × 1,457.18
  4. Step 4: Simplify right side
    2,776.77x = 6,064,142.00
  5. Step 5: Solve for x
    x = 6,064,142.00/2,776.77
  6. Step 6: Final answer
    x = 2,183.88

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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.