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Finding the Fourth Proportional to 5,804.32, 8,009.80 and 3,151.64

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Solution

The fourth proportional to 5,804.32, 8,009.80 and 3,151.64 is: 4,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.32 : 8,009.80 = 3,151.64 : x
  2. Step 2: Convert to fraction form
    5,804.32/8,009.80 = 3,151.64/x
  3. Step 3: Cross multiply
    5,804.32x = 8,009.80 × 3,151.64
  4. Step 4: Simplify right side
    5,804.32x = 25,244,006.07
  5. Step 5: Solve for x
    x = 25,244,006.07/5,804.32
  6. Step 6: Final answer
    x = 4,349.18

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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.