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Finding the Fourth Proportional to 5,775.34, 7,971.21 and 3,649.52

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Solution

The fourth proportional to 5,775.34, 7,971.21 and 3,649.52 is: 5,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.34 : 7,971.21 = 3,649.52 : x
  2. Step 2: Convert to fraction form
    5,775.34/7,971.21 = 3,649.52/x
  3. Step 3: Cross multiply
    5,775.34x = 7,971.21 × 3,649.52
  4. Step 4: Simplify right side
    5,775.34x = 29,091,066.67
  5. Step 5: Solve for x
    x = 29,091,066.67/5,775.34
  6. Step 6: Final answer
    x = 5,037.12

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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.