Home / 3,151.37-4,349.10-1,825.53

Finding the Fourth Proportional to 3,151.37, 4,349.10 and 1,825.53

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Solution

The fourth proportional to 3,151.37, 4,349.10 and 1,825.53 is: 2,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.37 : 4,349.10 = 1,825.53 : x
  2. Step 2: Convert to fraction form
    3,151.37/4,349.10 = 1,825.53/x
  3. Step 3: Cross multiply
    3,151.37x = 4,349.10 × 1,825.53
  4. Step 4: Simplify right side
    3,151.37x = 7,939,412.52
  5. Step 5: Solve for x
    x = 7,939,412.52/3,151.37
  6. Step 6: Final answer
    x = 2,519.36

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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.