Home / 4,173.90-5,759.70-2,405.64

Finding the Fourth Proportional to 4,173.90, 5,759.70 and 2,405.64

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Solution

The fourth proportional to 4,173.90, 5,759.70 and 2,405.64 is: 3,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.90 : 5,759.70 = 2,405.64 : x
  2. Step 2: Convert to fraction form
    4,173.90/5,759.70 = 2,405.64/x
  3. Step 3: Cross multiply
    4,173.90x = 5,759.70 × 2,405.64
  4. Step 4: Simplify right side
    4,173.90x = 13,855,764.71
  5. Step 5: Solve for x
    x = 13,855,764.71/4,173.90
  6. Step 6: Final answer
    x = 3,319.62

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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.