Home / 2,778.17-3,833.48-1,583.01

Finding the Fourth Proportional to 2,778.17, 3,833.48 and 1,583.01

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Solution

The fourth proportional to 2,778.17, 3,833.48 and 1,583.01 is: 2,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.17 : 3,833.48 = 1,583.01 : x
  2. Step 2: Convert to fraction form
    2,778.17/3,833.48 = 1,583.01/x
  3. Step 3: Cross multiply
    2,778.17x = 3,833.48 × 1,583.01
  4. Step 4: Simplify right side
    2,778.17x = 6,068,441.13
  5. Step 5: Solve for x
    x = 6,068,441.13/2,778.17
  6. Step 6: Final answer
    x = 2,184.33

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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.