Home / 3,150.89-4,347.73-1,753.64

Finding the Fourth Proportional to 3,150.89, 4,347.73 and 1,753.64

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Solution

The fourth proportional to 3,150.89, 4,347.73 and 1,753.64 is: 2,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.89 : 4,347.73 = 1,753.64 : x
  2. Step 2: Convert to fraction form
    3,150.89/4,347.73 = 1,753.64/x
  3. Step 3: Cross multiply
    3,150.89x = 4,347.73 × 1,753.64
  4. Step 4: Simplify right side
    3,150.89x = 7,624,353.24
  5. Step 5: Solve for x
    x = 7,624,353.24/3,150.89
  6. Step 6: Final answer
    x = 2,419.75

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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.