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Finding the Fourth Proportional to 4,593.70, 6,886.70 and 2,130.29

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Solution

The fourth proportional to 4,593.70, 6,886.70 and 2,130.29 is: 3,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,593.70 : 6,886.70 = 2,130.29 : x
  2. Step 2: Convert to fraction form
    4,593.70/6,886.70 = 2,130.29/x
  3. Step 3: Cross multiply
    4,593.70x = 6,886.70 × 2,130.29
  4. Step 4: Simplify right side
    4,593.70x = 14,670,668.14
  5. Step 5: Solve for x
    x = 14,670,668.14/4,593.70
  6. Step 6: Final answer
    x = 3,193.65

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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.