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Finding the Fourth Proportional to 5,595.86, 7,722.13 and 3,077.97

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Solution

The fourth proportional to 5,595.86, 7,722.13 and 3,077.97 is: 4,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.86 : 7,722.13 = 3,077.97 : x
  2. Step 2: Convert to fraction form
    5,595.86/7,722.13 = 3,077.97/x
  3. Step 3: Cross multiply
    5,595.86x = 7,722.13 × 3,077.97
  4. Step 4: Simplify right side
    5,595.86x = 23,768,484.48
  5. Step 5: Solve for x
    x = 23,768,484.48/5,595.86
  6. Step 6: Final answer
    x = 4,247.51

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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.