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Finding the Fourth Proportional to 5,720.43, 7,895.43 and 3,483.05

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Solution

The fourth proportional to 5,720.43, 7,895.43 and 3,483.05 is: 4,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.43 : 7,895.43 = 3,483.05 : x
  2. Step 2: Convert to fraction form
    5,720.43/7,895.43 = 3,483.05/x
  3. Step 3: Cross multiply
    5,720.43x = 7,895.43 × 3,483.05
  4. Step 4: Simplify right side
    5,720.43x = 27,500,177.46
  5. Step 5: Solve for x
    x = 27,500,177.46/5,720.43
  6. Step 6: Final answer
    x = 4,807.36

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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.