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Finding the Fourth Proportional to 5,368.17, 7,411.50 and 4,375.80

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Solution

The fourth proportional to 5,368.17, 7,411.50 and 4,375.80 is: 6,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.17 : 7,411.50 = 4,375.80 : x
  2. Step 2: Convert to fraction form
    5,368.17/7,411.50 = 4,375.80/x
  3. Step 3: Cross multiply
    5,368.17x = 7,411.50 × 4,375.80
  4. Step 4: Simplify right side
    5,368.17x = 32,431,241.70
  5. Step 5: Solve for x
    x = 32,431,241.70/5,368.17
  6. Step 6: Final answer
    x = 6,041.40

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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.