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Finding the Fourth Proportional to 5,259.04, 7,892.60 and 3,928.16

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Solution

The fourth proportional to 5,259.04, 7,892.60 and 3,928.16 is: 5,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.04 : 7,892.60 = 3,928.16 : x
  2. Step 2: Convert to fraction form
    5,259.04/7,892.60 = 3,928.16/x
  3. Step 3: Cross multiply
    5,259.04x = 7,892.60 × 3,928.16
  4. Step 4: Simplify right side
    5,259.04x = 31,003,395.62
  5. Step 5: Solve for x
    x = 31,003,395.62/5,259.04
  6. Step 6: Final answer
    x = 5,895.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.