Home / 3,326.16-4,590.84-1,929.12

Finding the Fourth Proportional to 3,326.16, 4,590.84 and 1,929.12

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Solution

The fourth proportional to 3,326.16, 4,590.84 and 1,929.12 is: 2,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.16 : 4,590.84 = 1,929.12 : x
  2. Step 2: Convert to fraction form
    3,326.16/4,590.84 = 1,929.12/x
  3. Step 3: Cross multiply
    3,326.16x = 4,590.84 × 1,929.12
  4. Step 4: Simplify right side
    3,326.16x = 8,856,281.26
  5. Step 5: Solve for x
    x = 8,856,281.26/3,326.16
  6. Step 6: Final answer
    x = 2,662.61

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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.