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Finding the Fourth Proportional to 5,620.86, 7,752.51 and 4,298.94

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Solution

The fourth proportional to 5,620.86, 7,752.51 and 4,298.94 is: 5,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.86 : 7,752.51 = 4,298.94 : x
  2. Step 2: Convert to fraction form
    5,620.86/7,752.51 = 4,298.94/x
  3. Step 3: Cross multiply
    5,620.86x = 7,752.51 × 4,298.94
  4. Step 4: Simplify right side
    5,620.86x = 33,327,575.34
  5. Step 5: Solve for x
    x = 33,327,575.34/5,620.86
  6. Step 6: Final answer
    x = 5,929.27

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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.