Home / 3,969.10-5,953.20-1,627.49

Finding the Fourth Proportional to 3,969.10, 5,953.20 and 1,627.49

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Solution

The fourth proportional to 3,969.10, 5,953.20 and 1,627.49 is: 2,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.10 : 5,953.20 = 1,627.49 : x
  2. Step 2: Convert to fraction form
    3,969.10/5,953.20 = 1,627.49/x
  3. Step 3: Cross multiply
    3,969.10x = 5,953.20 × 1,627.49
  4. Step 4: Simplify right side
    3,969.10x = 9,688,782.25
  5. Step 5: Solve for x
    x = 9,688,782.25/3,969.10
  6. Step 6: Final answer
    x = 2,441.05

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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.