Home / 4,958.67-7,428.28-2,874.30

Finding the Fourth Proportional to 4,958.67, 7,428.28 and 2,874.30

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Solution

The fourth proportional to 4,958.67, 7,428.28 and 2,874.30 is: 4,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.67 : 7,428.28 = 2,874.30 : x
  2. Step 2: Convert to fraction form
    4,958.67/7,428.28 = 2,874.30/x
  3. Step 3: Cross multiply
    4,958.67x = 7,428.28 × 2,874.30
  4. Step 4: Simplify right side
    4,958.67x = 21,351,075.89
  5. Step 5: Solve for x
    x = 21,351,075.89/4,958.67
  6. Step 6: Final answer
    x = 4,305.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.