Home / 5,915.07-8,162.42-3,558.51

Finding the Fourth Proportional to 5,915.07, 8,162.42 and 3,558.51

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Solution

The fourth proportional to 5,915.07, 8,162.42 and 3,558.51 is: 4,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.07 : 8,162.42 = 3,558.51 : x
  2. Step 2: Convert to fraction form
    5,915.07/8,162.42 = 3,558.51/x
  3. Step 3: Cross multiply
    5,915.07x = 8,162.42 × 3,558.51
  4. Step 4: Simplify right side
    5,915.07x = 29,046,035.40
  5. Step 5: Solve for x
    x = 29,046,035.40/5,915.07
  6. Step 6: Final answer
    x = 4,910.51

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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.