Home / 7,537.07-10,401.69-4,180.20

Finding the Fourth Proportional to 7,537.07, 10,401.69 and 4,180.20

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Solution

The fourth proportional to 7,537.07, 10,401.69 and 4,180.20 is: 5,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.07 : 10,401.69 = 4,180.20 : x
  2. Step 2: Convert to fraction form
    7,537.07/10,401.69 = 4,180.20/x
  3. Step 3: Cross multiply
    7,537.07x = 10,401.69 × 4,180.20
  4. Step 4: Simplify right side
    7,537.07x = 43,481,123.64
  5. Step 5: Solve for x
    x = 43,481,123.64/7,537.07
  6. Step 6: Final answer
    x = 5,768.97

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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.