Home / 5,915.36-8,867.64-3,602

Finding the Fourth Proportional to 5,915.36, 8,867.64 and 3,602

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Solution

The fourth proportional to 5,915.36, 8,867.64 and 3,602 is: 5,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.36 : 8,867.64 = 3,602 : x
  2. Step 2: Convert to fraction form
    5,915.36/8,867.64 = 3,602/x
  3. Step 3: Cross multiply
    5,915.36x = 8,867.64 × 3,602
  4. Step 4: Simplify right side
    5,915.36x = 31,941,239.28
  5. Step 5: Solve for x
    x = 31,941,239.28/5,915.36
  6. Step 6: Final answer
    x = 5,399.71

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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.