Home / 3,638.53-5,457.85-1,173.36

Finding the Fourth Proportional to 3,638.53, 5,457.85 and 1,173.36

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Solution

The fourth proportional to 3,638.53, 5,457.85 and 1,173.36 is: 1,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.53 : 5,457.85 = 1,173.36 : x
  2. Step 2: Convert to fraction form
    3,638.53/5,457.85 = 1,173.36/x
  3. Step 3: Cross multiply
    3,638.53x = 5,457.85 × 1,173.36
  4. Step 4: Simplify right side
    3,638.53x = 6,404,019.94
  5. Step 5: Solve for x
    x = 6,404,019.94/3,638.53
  6. Step 6: Final answer
    x = 1,760.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.