Home / 4,903.72-6,768.04-2,915.38

Finding the Fourth Proportional to 4,903.72, 6,768.04 and 2,915.38

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Solution

The fourth proportional to 4,903.72, 6,768.04 and 2,915.38 is: 4,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.72 : 6,768.04 = 2,915.38 : x
  2. Step 2: Convert to fraction form
    4,903.72/6,768.04 = 2,915.38/x
  3. Step 3: Cross multiply
    4,903.72x = 6,768.04 × 2,915.38
  4. Step 4: Simplify right side
    4,903.72x = 19,731,408.46
  5. Step 5: Solve for x
    x = 19,731,408.46/4,903.72
  6. Step 6: Final answer
    x = 4,023.76

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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.