Home / 7,369.52-10,172.40-4,228.88

Finding the Fourth Proportional to 7,369.52, 10,172.40 and 4,228.88

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Solution

The fourth proportional to 7,369.52, 10,172.40 and 4,228.88 is: 5,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.52 : 10,172.40 = 4,228.88 : x
  2. Step 2: Convert to fraction form
    7,369.52/10,172.40 = 4,228.88/x
  3. Step 3: Cross multiply
    7,369.52x = 10,172.40 × 4,228.88
  4. Step 4: Simplify right side
    7,369.52x = 43,017,858.91
  5. Step 5: Solve for x
    x = 43,017,858.91/7,369.52
  6. Step 6: Final answer
    x = 5,837.27

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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.