Home / 5,261.81-7,258.14-3,843.76

Finding the Fourth Proportional to 5,261.81, 7,258.14 and 3,843.76

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Solution

The fourth proportional to 5,261.81, 7,258.14 and 3,843.76 is: 5,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.81 : 7,258.14 = 3,843.76 : x
  2. Step 2: Convert to fraction form
    5,261.81/7,258.14 = 3,843.76/x
  3. Step 3: Cross multiply
    5,261.81x = 7,258.14 × 3,843.76
  4. Step 4: Simplify right side
    5,261.81x = 27,898,536.44
  5. Step 5: Solve for x
    x = 27,898,536.44/5,261.81
  6. Step 6: Final answer
    x = 5,302.08

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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.