Home / 3,185.95-4,397.77-2,736.01

Finding the Fourth Proportional to 3,185.95, 4,397.77 and 2,736.01

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Solution

The fourth proportional to 3,185.95, 4,397.77 and 2,736.01 is: 3,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.95 : 4,397.77 = 2,736.01 : x
  2. Step 2: Convert to fraction form
    3,185.95/4,397.77 = 2,736.01/x
  3. Step 3: Cross multiply
    3,185.95x = 4,397.77 × 2,736.01
  4. Step 4: Simplify right side
    3,185.95x = 12,032,320.71
  5. Step 5: Solve for x
    x = 12,032,320.71/3,185.95
  6. Step 6: Final answer
    x = 3,776.68

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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.