Home / 3,189.34-4,401.48-1,773.04

Finding the Fourth Proportional to 3,189.34, 4,401.48 and 1,773.04

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Solution

The fourth proportional to 3,189.34, 4,401.48 and 1,773.04 is: 2,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.34 : 4,401.48 = 1,773.04 : x
  2. Step 2: Convert to fraction form
    3,189.34/4,401.48 = 1,773.04/x
  3. Step 3: Cross multiply
    3,189.34x = 4,401.48 × 1,773.04
  4. Step 4: Simplify right side
    3,189.34x = 7,803,999.01
  5. Step 5: Solve for x
    x = 7,803,999.01/3,189.34
  6. Step 6: Final answer
    x = 2,446.90

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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.