Home / 3,616.37-4,995.02-2,620.07

Finding the Fourth Proportional to 3,616.37, 4,995.02 and 2,620.07

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Solution

The fourth proportional to 3,616.37, 4,995.02 and 2,620.07 is: 3,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.37 : 4,995.02 = 2,620.07 : x
  2. Step 2: Convert to fraction form
    3,616.37/4,995.02 = 2,620.07/x
  3. Step 3: Cross multiply
    3,616.37x = 4,995.02 × 2,620.07
  4. Step 4: Simplify right side
    3,616.37x = 13,087,302.05
  5. Step 5: Solve for x
    x = 13,087,302.05/3,616.37
  6. Step 6: Final answer
    x = 3,618.91

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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.