Home / 4,319.74-5,961-2,431.40

Finding the Fourth Proportional to 4,319.74, 5,961 and 2,431.40

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Solution

The fourth proportional to 4,319.74, 5,961 and 2,431.40 is: 3,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.74 : 5,961 = 2,431.40 : x
  2. Step 2: Convert to fraction form
    4,319.74/5,961 = 2,431.40/x
  3. Step 3: Cross multiply
    4,319.74x = 5,961 × 2,431.40
  4. Step 4: Simplify right side
    4,319.74x = 14,493,590.30
  5. Step 5: Solve for x
    x = 14,493,590.30/4,319.74
  6. Step 6: Final answer
    x = 3,355.20

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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.