Home / 3,746.96-5,172.24-3,353.28

Finding the Fourth Proportional to 3,746.96, 5,172.24 and 3,353.28

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Solution

The fourth proportional to 3,746.96, 5,172.24 and 3,353.28 is: 4,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.96 : 5,172.24 = 3,353.28 : x
  2. Step 2: Convert to fraction form
    3,746.96/5,172.24 = 3,353.28/x
  3. Step 3: Cross multiply
    3,746.96x = 5,172.24 × 3,353.28
  4. Step 4: Simplify right side
    3,746.96x = 17,343,968.95
  5. Step 5: Solve for x
    x = 17,343,968.95/3,746.96
  6. Step 6: Final answer
    x = 4,628.81

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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.