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Finding the Fourth Proportional to 5,301.96, 7,317.09 and 3,973.32

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Solution

The fourth proportional to 5,301.96, 7,317.09 and 3,973.32 is: 5,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.96 : 7,317.09 = 3,973.32 : x
  2. Step 2: Convert to fraction form
    5,301.96/7,317.09 = 3,973.32/x
  3. Step 3: Cross multiply
    5,301.96x = 7,317.09 × 3,973.32
  4. Step 4: Simplify right side
    5,301.96x = 29,073,140.04
  5. Step 5: Solve for x
    x = 29,073,140.04/5,301.96
  6. Step 6: Final answer
    x = 5,483.47

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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.