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Finding the Fourth Proportional to 5,343.57, 7,376.57 and 3,927.26

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Solution

The fourth proportional to 5,343.57, 7,376.57 and 3,927.26 is: 5,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.57 : 7,376.57 = 3,927.26 : x
  2. Step 2: Convert to fraction form
    5,343.57/7,376.57 = 3,927.26/x
  3. Step 3: Cross multiply
    5,343.57x = 7,376.57 × 3,927.26
  4. Step 4: Simplify right side
    5,343.57x = 28,969,701.08
  5. Step 5: Solve for x
    x = 28,969,701.08/5,343.57
  6. Step 6: Final answer
    x = 5,421.41

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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.