Home / 7,372.08-10,173.36-4,185.35

Finding the Fourth Proportional to 7,372.08, 10,173.36 and 4,185.35

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Solution

The fourth proportional to 7,372.08, 10,173.36 and 4,185.35 is: 5,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.08 : 10,173.36 = 4,185.35 : x
  2. Step 2: Convert to fraction form
    7,372.08/10,173.36 = 4,185.35/x
  3. Step 3: Cross multiply
    7,372.08x = 10,173.36 × 4,185.35
  4. Step 4: Simplify right side
    7,372.08x = 42,579,021.41
  5. Step 5: Solve for x
    x = 42,579,021.41/7,372.08
  6. Step 6: Final answer
    x = 5,775.72

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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.