Home / 1,926.54-2,669.36-1,885.05

Finding the Fourth Proportional to 1,926.54, 2,669.36 and 1,885.05

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Solution

The fourth proportional to 1,926.54, 2,669.36 and 1,885.05 is: 2,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.54 : 2,669.36 = 1,885.05 : x
  2. Step 2: Convert to fraction form
    1,926.54/2,669.36 = 1,885.05/x
  3. Step 3: Cross multiply
    1,926.54x = 2,669.36 × 1,885.05
  4. Step 4: Simplify right side
    1,926.54x = 5,031,867.64
  5. Step 5: Solve for x
    x = 5,031,867.64/1,926.54
  6. Step 6: Final answer
    x = 2,611.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.