Home / 7,300.90-10,076.03-4,156.75

Finding the Fourth Proportional to 7,300.90, 10,076.03 and 4,156.75

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Solution

The fourth proportional to 7,300.90, 10,076.03 and 4,156.75 is: 5,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.90 : 10,076.03 = 4,156.75 : x
  2. Step 2: Convert to fraction form
    7,300.90/10,076.03 = 4,156.75/x
  3. Step 3: Cross multiply
    7,300.90x = 10,076.03 × 4,156.75
  4. Step 4: Simplify right side
    7,300.90x = 41,883,537.70
  5. Step 5: Solve for x
    x = 41,883,537.70/7,300.90
  6. Step 6: Final answer
    x = 5,736.76

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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.