Home / 4,157.34-5,736.45-2,478.15

Finding the Fourth Proportional to 4,157.34, 5,736.45 and 2,478.15

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Solution

The fourth proportional to 4,157.34, 5,736.45 and 2,478.15 is: 3,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.34 : 5,736.45 = 2,478.15 : x
  2. Step 2: Convert to fraction form
    4,157.34/5,736.45 = 2,478.15/x
  3. Step 3: Cross multiply
    4,157.34x = 5,736.45 × 2,478.15
  4. Step 4: Simplify right side
    4,157.34x = 14,215,783.57
  5. Step 5: Solve for x
    x = 14,215,783.57/4,157.34
  6. Step 6: Final answer
    x = 3,419.44

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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.