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Finding the Fourth Proportional to 5,720.93, 7,896.12 and 3,483.55

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Solution

The fourth proportional to 5,720.93, 7,896.12 and 3,483.55 is: 4,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.93 : 7,896.12 = 3,483.55 : x
  2. Step 2: Convert to fraction form
    5,720.93/7,896.12 = 3,483.55/x
  3. Step 3: Cross multiply
    5,720.93x = 7,896.12 × 3,483.55
  4. Step 4: Simplify right side
    5,720.93x = 27,506,471.93
  5. Step 5: Solve for x
    x = 27,506,471.93/5,720.93
  6. Step 6: Final answer
    x = 4,808.04

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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.