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Finding the Fourth Proportional to 5,296.41, 7,309.05 and 2,938.55

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Solution

The fourth proportional to 5,296.41, 7,309.05 and 2,938.55 is: 4,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.41 : 7,309.05 = 2,938.55 : x
  2. Step 2: Convert to fraction form
    5,296.41/7,309.05 = 2,938.55/x
  3. Step 3: Cross multiply
    5,296.41x = 7,309.05 × 2,938.55
  4. Step 4: Simplify right side
    5,296.41x = 21,477,999.74
  5. Step 5: Solve for x
    x = 21,477,999.74/5,296.41
  6. Step 6: Final answer
    x = 4,055.20

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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.