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Finding the Fourth Proportional to 5,362.55, 7,400.32 and 3,004.71

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Solution

The fourth proportional to 5,362.55, 7,400.32 and 3,004.71 is: 4,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.55 : 7,400.32 = 3,004.71 : x
  2. Step 2: Convert to fraction form
    5,362.55/7,400.32 = 3,004.71/x
  3. Step 3: Cross multiply
    5,362.55x = 7,400.32 × 3,004.71
  4. Step 4: Simplify right side
    5,362.55x = 22,235,815.51
  5. Step 5: Solve for x
    x = 22,235,815.51/5,362.55
  6. Step 6: Final answer
    x = 4,146.50

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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.