Home / 5,705.46-7,871.36-3,466.50

Finding the Fourth Proportional to 5,705.46, 7,871.36 and 3,466.50

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Solution

The fourth proportional to 5,705.46, 7,871.36 and 3,466.50 is: 4,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.46 : 7,871.36 = 3,466.50 : x
  2. Step 2: Convert to fraction form
    5,705.46/7,871.36 = 3,466.50/x
  3. Step 3: Cross multiply
    5,705.46x = 7,871.36 × 3,466.50
  4. Step 4: Simplify right side
    5,705.46x = 27,286,069.44
  5. Step 5: Solve for x
    x = 27,286,069.44/5,705.46
  6. Step 6: Final answer
    x = 4,782.45

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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.