Home / 2,925.94-4,033.62-2,086.36

Finding the Fourth Proportional to 2,925.94, 4,033.62 and 2,086.36

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Solution

The fourth proportional to 2,925.94, 4,033.62 and 2,086.36 is: 2,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.94 : 4,033.62 = 2,086.36 : x
  2. Step 2: Convert to fraction form
    2,925.94/4,033.62 = 2,086.36/x
  3. Step 3: Cross multiply
    2,925.94x = 4,033.62 × 2,086.36
  4. Step 4: Simplify right side
    2,925.94x = 8,415,583.42
  5. Step 5: Solve for x
    x = 8,415,583.42/2,925.94
  6. Step 6: Final answer
    x = 2,876.20

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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.