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Finding the Fourth Proportional to 5,356.40, 7,395.93 and 4,175.42

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Solution

The fourth proportional to 5,356.40, 7,395.93 and 4,175.42 is: 5,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.40 : 7,395.93 = 4,175.42 : x
  2. Step 2: Convert to fraction form
    5,356.40/7,395.93 = 4,175.42/x
  3. Step 3: Cross multiply
    5,356.40x = 7,395.93 × 4,175.42
  4. Step 4: Simplify right side
    5,356.40x = 30,881,077.06
  5. Step 5: Solve for x
    x = 30,881,077.06/5,356.40
  6. Step 6: Final answer
    x = 5,765.27

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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.