Home / 4,905.18-6,771.34-2,916.38

Finding the Fourth Proportional to 4,905.18, 6,771.34 and 2,916.38

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Solution

The fourth proportional to 4,905.18, 6,771.34 and 2,916.38 is: 4,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.18 : 6,771.34 = 2,916.38 : x
  2. Step 2: Convert to fraction form
    4,905.18/6,771.34 = 2,916.38/x
  3. Step 3: Cross multiply
    4,905.18x = 6,771.34 × 2,916.38
  4. Step 4: Simplify right side
    4,905.18x = 19,747,800.55
  5. Step 5: Solve for x
    x = 19,747,800.55/4,905.18
  6. Step 6: Final answer
    x = 4,025.91

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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.