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Finding the Fourth Proportional to 4,668.26, 7,002.40 and 1,590.26

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Solution

The fourth proportional to 4,668.26, 7,002.40 and 1,590.26 is: 2,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.26 : 7,002.40 = 1,590.26 : x
  2. Step 2: Convert to fraction form
    4,668.26/7,002.40 = 1,590.26/x
  3. Step 3: Cross multiply
    4,668.26x = 7,002.40 × 1,590.26
  4. Step 4: Simplify right side
    4,668.26x = 11,135,636.62
  5. Step 5: Solve for x
    x = 11,135,636.62/4,668.26
  6. Step 6: Final answer
    x = 2,385.39

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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.