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Finding the Fourth Proportional to 5,154.37, 7,114.05 and 2,916.25

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Solution

The fourth proportional to 5,154.37, 7,114.05 and 2,916.25 is: 4,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.37 : 7,114.05 = 2,916.25 : x
  2. Step 2: Convert to fraction form
    5,154.37/7,114.05 = 2,916.25/x
  3. Step 3: Cross multiply
    5,154.37x = 7,114.05 × 2,916.25
  4. Step 4: Simplify right side
    5,154.37x = 20,746,348.31
  5. Step 5: Solve for x
    x = 20,746,348.31/5,154.37
  6. Step 6: Final answer
    x = 4,025.00

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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.