Home / 2,120.37-3,175.05-1,464.27

Finding the Fourth Proportional to 2,120.37, 3,175.05 and 1,464.27

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Solution

The fourth proportional to 2,120.37, 3,175.05 and 1,464.27 is: 2,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.37 : 3,175.05 = 1,464.27 : x
  2. Step 2: Convert to fraction form
    2,120.37/3,175.05 = 1,464.27/x
  3. Step 3: Cross multiply
    2,120.37x = 3,175.05 × 1,464.27
  4. Step 4: Simplify right side
    2,120.37x = 4,649,130.46
  5. Step 5: Solve for x
    x = 4,649,130.46/2,120.37
  6. Step 6: Final answer
    x = 2,192.60

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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.