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Finding the Fourth Proportional to 5,763.40, 7,953.54 and 3,245.68

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Solution

The fourth proportional to 5,763.40, 7,953.54 and 3,245.68 is: 4,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.40 : 7,953.54 = 3,245.68 : x
  2. Step 2: Convert to fraction form
    5,763.40/7,953.54 = 3,245.68/x
  3. Step 3: Cross multiply
    5,763.40x = 7,953.54 × 3,245.68
  4. Step 4: Simplify right side
    5,763.40x = 25,814,645.71
  5. Step 5: Solve for x
    x = 25,814,645.71/5,763.40
  6. Step 6: Final answer
    x = 4,479.07

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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.