Home / 2,935.85-4,043.25-2,926.80

Finding the Fourth Proportional to 2,935.85, 4,043.25 and 2,926.80

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Solution

The fourth proportional to 2,935.85, 4,043.25 and 2,926.80 is: 4,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.85 : 4,043.25 = 2,926.80 : x
  2. Step 2: Convert to fraction form
    2,935.85/4,043.25 = 2,926.80/x
  3. Step 3: Cross multiply
    2,935.85x = 4,043.25 × 2,926.80
  4. Step 4: Simplify right side
    2,935.85x = 11,833,784.10
  5. Step 5: Solve for x
    x = 11,833,784.10/2,935.85
  6. Step 6: Final answer
    x = 4,030.79

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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.