Home / 3,848.37-5,310.75-2,079.98

Finding the Fourth Proportional to 3,848.37, 5,310.75 and 2,079.98

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Solution

The fourth proportional to 3,848.37, 5,310.75 and 2,079.98 is: 2,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.37 : 5,310.75 = 2,079.98 : x
  2. Step 2: Convert to fraction form
    3,848.37/5,310.75 = 2,079.98/x
  3. Step 3: Cross multiply
    3,848.37x = 5,310.75 × 2,079.98
  4. Step 4: Simplify right side
    3,848.37x = 11,046,227.23
  5. Step 5: Solve for x
    x = 11,046,227.23/3,848.37
  6. Step 6: Final answer
    x = 2,870.37

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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.