Home / 2,069.33-2,855.66-1,540.58

Finding the Fourth Proportional to 2,069.33, 2,855.66 and 1,540.58

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Solution

The fourth proportional to 2,069.33, 2,855.66 and 1,540.58 is: 2,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.33 : 2,855.66 = 1,540.58 : x
  2. Step 2: Convert to fraction form
    2,069.33/2,855.66 = 1,540.58/x
  3. Step 3: Cross multiply
    2,069.33x = 2,855.66 × 1,540.58
  4. Step 4: Simplify right side
    2,069.33x = 4,399,368.93
  5. Step 5: Solve for x
    x = 4,399,368.93/2,069.33
  6. Step 6: Final answer
    x = 2,125.98

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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.