Home / 5,847.48-8,071.80-3,958.14

Finding the Fourth Proportional to 5,847.48, 8,071.80 and 3,958.14

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Solution

The fourth proportional to 5,847.48, 8,071.80 and 3,958.14 is: 5,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.48 : 8,071.80 = 3,958.14 : x
  2. Step 2: Convert to fraction form
    5,847.48/8,071.80 = 3,958.14/x
  3. Step 3: Cross multiply
    5,847.48x = 8,071.80 × 3,958.14
  4. Step 4: Simplify right side
    5,847.48x = 31,949,314.45
  5. Step 5: Solve for x
    x = 31,949,314.45/5,847.48
  6. Step 6: Final answer
    x = 5,463.77

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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.