Home / 4,173.42-5,759.28-2,405.40

Finding the Fourth Proportional to 4,173.42, 5,759.28 and 2,405.40

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Solution

The fourth proportional to 4,173.42, 5,759.28 and 2,405.40 is: 3,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.42 : 5,759.28 = 2,405.40 : x
  2. Step 2: Convert to fraction form
    4,173.42/5,759.28 = 2,405.40/x
  3. Step 3: Cross multiply
    4,173.42x = 5,759.28 × 2,405.40
  4. Step 4: Simplify right side
    4,173.42x = 13,853,372.11
  5. Step 5: Solve for x
    x = 13,853,372.11/4,173.42
  6. Step 6: Final answer
    x = 3,319.43

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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.