Home / 4,254.84-5,866.56-3,135.60

Finding the Fourth Proportional to 4,254.84, 5,866.56 and 3,135.60

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Solution

The fourth proportional to 4,254.84, 5,866.56 and 3,135.60 is: 4,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.84 : 5,866.56 = 3,135.60 : x
  2. Step 2: Convert to fraction form
    4,254.84/5,866.56 = 3,135.60/x
  3. Step 3: Cross multiply
    4,254.84x = 5,866.56 × 3,135.60
  4. Step 4: Simplify right side
    4,254.84x = 18,395,185.54
  5. Step 5: Solve for x
    x = 18,395,185.54/4,254.84
  6. Step 6: Final answer
    x = 4,323.36

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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.