Home / 5,040.25-6,956.04-2,915.86

Finding the Fourth Proportional to 5,040.25, 6,956.04 and 2,915.86

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Solution

The fourth proportional to 5,040.25, 6,956.04 and 2,915.86 is: 4,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.25 : 6,956.04 = 2,915.86 : x
  2. Step 2: Convert to fraction form
    5,040.25/6,956.04 = 2,915.86/x
  3. Step 3: Cross multiply
    5,040.25x = 6,956.04 × 2,915.86
  4. Step 4: Simplify right side
    5,040.25x = 20,282,838.79
  5. Step 5: Solve for x
    x = 20,282,838.79/5,040.25
  6. Step 6: Final answer
    x = 4,024.17

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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.