Home / 1,985.28-2,962.92-1,933.44

Finding the Fourth Proportional to 1,985.28, 2,962.92 and 1,933.44

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Solution

The fourth proportional to 1,985.28, 2,962.92 and 1,933.44 is: 2,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.28 : 2,962.92 = 1,933.44 : x
  2. Step 2: Convert to fraction form
    1,985.28/2,962.92 = 1,933.44/x
  3. Step 3: Cross multiply
    1,985.28x = 2,962.92 × 1,933.44
  4. Step 4: Simplify right side
    1,985.28x = 5,728,628.04
  5. Step 5: Solve for x
    x = 5,728,628.04/1,985.28
  6. Step 6: Final answer
    x = 2,885.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.