Home / 5,915.01-8,859.79-2,790.33

Finding the Fourth Proportional to 5,915.01, 8,859.79 and 2,790.33

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Solution

The fourth proportional to 5,915.01, 8,859.79 and 2,790.33 is: 4,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.01 : 8,859.79 = 2,790.33 : x
  2. Step 2: Convert to fraction form
    5,915.01/8,859.79 = 2,790.33/x
  3. Step 3: Cross multiply
    5,915.01x = 8,859.79 × 2,790.33
  4. Step 4: Simplify right side
    5,915.01x = 24,721,737.83
  5. Step 5: Solve for x
    x = 24,721,737.83/5,915.01
  6. Step 6: Final answer
    x = 4,179.50

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1.5x scale

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.