Home / 7,530.66-10,391.90-4,173.44

Finding the Fourth Proportional to 7,530.66, 10,391.90 and 4,173.44

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Solution

The fourth proportional to 7,530.66, 10,391.90 and 4,173.44 is: 5,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.66 : 10,391.90 = 4,173.44 : x
  2. Step 2: Convert to fraction form
    7,530.66/10,391.90 = 4,173.44/x
  3. Step 3: Cross multiply
    7,530.66x = 10,391.90 × 4,173.44
  4. Step 4: Simplify right side
    7,530.66x = 43,369,898.31
  5. Step 5: Solve for x
    x = 43,369,898.31/7,530.66
  6. Step 6: Final answer
    x = 5,759.11

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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.