Home / 3,618.18-4,995.33-2,777.28

Finding the Fourth Proportional to 3,618.18, 4,995.33 and 2,777.28

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Solution

The fourth proportional to 3,618.18, 4,995.33 and 2,777.28 is: 3,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.18 : 4,995.33 = 2,777.28 : x
  2. Step 2: Convert to fraction form
    3,618.18/4,995.33 = 2,777.28/x
  3. Step 3: Cross multiply
    3,618.18x = 4,995.33 × 2,777.28
  4. Step 4: Simplify right side
    3,618.18x = 13,873,430.10
  5. Step 5: Solve for x
    x = 13,873,430.10/3,618.18
  6. Step 6: Final answer
    x = 3,834.37

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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.