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Finding the Fourth Proportional to 5,798.12, 8,001.72 and 3,280.32

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Solution

The fourth proportional to 5,798.12, 8,001.72 and 3,280.32 is: 4,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.12 : 8,001.72 = 3,280.32 : x
  2. Step 2: Convert to fraction form
    5,798.12/8,001.72 = 3,280.32/x
  3. Step 3: Cross multiply
    5,798.12x = 8,001.72 × 3,280.32
  4. Step 4: Simplify right side
    5,798.12x = 26,248,202.15
  5. Step 5: Solve for x
    x = 26,248,202.15/5,798.12
  6. Step 6: Final answer
    x = 4,527.02

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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.