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Finding the Fourth Proportional to 4,720.79, 6,514.79 and 2,596.30

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Solution

The fourth proportional to 4,720.79, 6,514.79 and 2,596.30 is: 3,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.79 : 6,514.79 = 2,596.30 : x
  2. Step 2: Convert to fraction form
    4,720.79/6,514.79 = 2,596.30/x
  3. Step 3: Cross multiply
    4,720.79x = 6,514.79 × 2,596.30
  4. Step 4: Simplify right side
    4,720.79x = 16,914,349.28
  5. Step 5: Solve for x
    x = 16,914,349.28/4,720.79
  6. Step 6: Final answer
    x = 3,582.95

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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.