Home / 3,848.34-5,310.72-2,079.95

Finding the Fourth Proportional to 3,848.34, 5,310.72 and 2,079.95

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Solution

The fourth proportional to 3,848.34, 5,310.72 and 2,079.95 is: 2,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.34 : 5,310.72 = 2,079.95 : x
  2. Step 2: Convert to fraction form
    3,848.34/5,310.72 = 2,079.95/x
  3. Step 3: Cross multiply
    3,848.34x = 5,310.72 × 2,079.95
  4. Step 4: Simplify right side
    3,848.34x = 11,046,005.51
  5. Step 5: Solve for x
    x = 11,046,005.51/3,848.34
  6. Step 6: Final answer
    x = 2,870.33

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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.