Home / 5,695.36-8,541.28-2,408.40

Finding the Fourth Proportional to 5,695.36, 8,541.28 and 2,408.40

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Solution

The fourth proportional to 5,695.36, 8,541.28 and 2,408.40 is: 3,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.36 : 8,541.28 = 2,408.40 : x
  2. Step 2: Convert to fraction form
    5,695.36/8,541.28 = 2,408.40/x
  3. Step 3: Cross multiply
    5,695.36x = 8,541.28 × 2,408.40
  4. Step 4: Simplify right side
    5,695.36x = 20,570,818.75
  5. Step 5: Solve for x
    x = 20,570,818.75/5,695.36
  6. Step 6: Final answer
    x = 3,611.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.