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Finding the Fourth Proportional to 5,684.45, 7,848.43 and 3,560.90

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Solution

The fourth proportional to 5,684.45, 7,848.43 and 3,560.90 is: 4,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.45 : 7,848.43 = 3,560.90 : x
  2. Step 2: Convert to fraction form
    5,684.45/7,848.43 = 3,560.90/x
  3. Step 3: Cross multiply
    5,684.45x = 7,848.43 × 3,560.90
  4. Step 4: Simplify right side
    5,684.45x = 27,947,426.24
  5. Step 5: Solve for x
    x = 27,947,426.24/5,684.45
  6. Step 6: Final answer
    x = 4,916.47

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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.