Home / 3,319.44-4,576.68-2,792.40

Finding the Fourth Proportional to 3,319.44, 4,576.68 and 2,792.40

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Solution

The fourth proportional to 3,319.44, 4,576.68 and 2,792.40 is: 3,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.44 : 4,576.68 = 2,792.40 : x
  2. Step 2: Convert to fraction form
    3,319.44/4,576.68 = 2,792.40/x
  3. Step 3: Cross multiply
    3,319.44x = 4,576.68 × 2,792.40
  4. Step 4: Simplify right side
    3,319.44x = 12,779,921.23
  5. Step 5: Solve for x
    x = 12,779,921.23/3,319.44
  6. Step 6: Final answer
    x = 3,850.02

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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.