Home / 3,326.95-4,590.42-1,928.89

Finding the Fourth Proportional to 3,326.95, 4,590.42 and 1,928.89

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Solution

The fourth proportional to 3,326.95, 4,590.42 and 1,928.89 is: 2,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.95 : 4,590.42 = 1,928.89 : x
  2. Step 2: Convert to fraction form
    3,326.95/4,590.42 = 1,928.89/x
  3. Step 3: Cross multiply
    3,326.95x = 4,590.42 × 1,928.89
  4. Step 4: Simplify right side
    3,326.95x = 8,854,415.23
  5. Step 5: Solve for x
    x = 8,854,415.23/3,326.95
  6. Step 6: Final answer
    x = 2,661.42

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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.