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Finding the Fourth Proportional to 3,326.90, 4,987.10 and 1,594.58

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Solution

The fourth proportional to 3,326.90, 4,987.10 and 1,594.58 is: 2,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.90 : 4,987.10 = 1,594.58 : x
  2. Step 2: Convert to fraction form
    3,326.90/4,987.10 = 1,594.58/x
  3. Step 3: Cross multiply
    3,326.90x = 4,987.10 × 1,594.58
  4. Step 4: Simplify right side
    3,326.90x = 7,952,329.92
  5. Step 5: Solve for x
    x = 7,952,329.92/3,326.90
  6. Step 6: Final answer
    x = 2,390.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.