Home / 3,617.18-4,993.95-2,776.28

Finding the Fourth Proportional to 3,617.18, 4,993.95 and 2,776.28

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Solution

The fourth proportional to 3,617.18, 4,993.95 and 2,776.28 is: 3,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.18 : 4,993.95 = 2,776.28 : x
  2. Step 2: Convert to fraction form
    3,617.18/4,993.95 = 2,776.28/x
  3. Step 3: Cross multiply
    3,617.18x = 4,993.95 × 2,776.28
  4. Step 4: Simplify right side
    3,617.18x = 13,864,588.95
  5. Step 5: Solve for x
    x = 13,864,588.95/3,617.18
  6. Step 6: Final answer
    x = 3,832.98

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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.