Home / 7,372.66-10,173.90-4,185.91

Finding the Fourth Proportional to 7,372.66, 10,173.90 and 4,185.91

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Solution

The fourth proportional to 7,372.66, 10,173.90 and 4,185.91 is: 5,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.66 : 10,173.90 = 4,185.91 : x
  2. Step 2: Convert to fraction form
    7,372.66/10,173.90 = 4,185.91/x
  3. Step 3: Cross multiply
    7,372.66x = 10,173.90 × 4,185.91
  4. Step 4: Simplify right side
    7,372.66x = 42,587,029.75
  5. Step 5: Solve for x
    x = 42,587,029.75/7,372.66
  6. Step 6: Final answer
    x = 5,776.35

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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.