Home / 1,958.33-2,702.45-1,074.13

Finding the Fourth Proportional to 1,958.33, 2,702.45 and 1,074.13

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Solution

The fourth proportional to 1,958.33, 2,702.45 and 1,074.13 is: 1,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.33 : 2,702.45 = 1,074.13 : x
  2. Step 2: Convert to fraction form
    1,958.33/2,702.45 = 1,074.13/x
  3. Step 3: Cross multiply
    1,958.33x = 2,702.45 × 1,074.13
  4. Step 4: Simplify right side
    1,958.33x = 2,902,778.55
  5. Step 5: Solve for x
    x = 2,902,778.55/1,958.33
  6. Step 6: Final answer
    x = 1,482.27

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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.