Home / 3,933.54-5,430.93-3,512.52

Finding the Fourth Proportional to 3,933.54, 5,430.93 and 3,512.52

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Solution

The fourth proportional to 3,933.54, 5,430.93 and 3,512.52 is: 4,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.54 : 5,430.93 = 3,512.52 : x
  2. Step 2: Convert to fraction form
    3,933.54/5,430.93 = 3,512.52/x
  3. Step 3: Cross multiply
    3,933.54x = 5,430.93 × 3,512.52
  4. Step 4: Simplify right side
    3,933.54x = 19,076,250.24
  5. Step 5: Solve for x
    x = 19,076,250.24/3,933.54
  6. Step 6: Final answer
    x = 4,849.64

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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.