Home / 4,076.36-5,627.87-3,130.31

Finding the Fourth Proportional to 4,076.36, 5,627.87 and 3,130.31

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Solution

The fourth proportional to 4,076.36, 5,627.87 and 3,130.31 is: 4,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.36 : 5,627.87 = 3,130.31 : x
  2. Step 2: Convert to fraction form
    4,076.36/5,627.87 = 3,130.31/x
  3. Step 3: Cross multiply
    4,076.36x = 5,627.87 × 3,130.31
  4. Step 4: Simplify right side
    4,076.36x = 17,616,977.74
  5. Step 5: Solve for x
    x = 17,616,977.74/4,076.36
  6. Step 6: Final answer
    x = 4,321.74

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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.