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Finding the Fourth Proportional to 5,011.90, 6,916.32 and 2,773.65

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Solution

The fourth proportional to 5,011.90, 6,916.32 and 2,773.65 is: 3,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.90 : 6,916.32 = 2,773.65 : x
  2. Step 2: Convert to fraction form
    5,011.90/6,916.32 = 2,773.65/x
  3. Step 3: Cross multiply
    5,011.90x = 6,916.32 × 2,773.65
  4. Step 4: Simplify right side
    5,011.90x = 19,183,416.39
  5. Step 5: Solve for x
    x = 19,183,416.39/5,011.90
  6. Step 6: Final answer
    x = 3,827.57

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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.