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Finding the Fourth Proportional to 5,273.67, 7,278.08 and 2,916.03

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Solution

The fourth proportional to 5,273.67, 7,278.08 and 2,916.03 is: 4,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.67 : 7,278.08 = 2,916.03 : x
  2. Step 2: Convert to fraction form
    5,273.67/7,278.08 = 2,916.03/x
  3. Step 3: Cross multiply
    5,273.67x = 7,278.08 × 2,916.03
  4. Step 4: Simplify right side
    5,273.67x = 21,223,085.04
  5. Step 5: Solve for x
    x = 21,223,085.04/5,273.67
  6. Step 6: Final answer
    x = 4,024.35

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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.