Home / 3,170.85-4,373.20-2,423.63

Finding the Fourth Proportional to 3,170.85, 4,373.20 and 2,423.63

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Solution

The fourth proportional to 3,170.85, 4,373.20 and 2,423.63 is: 3,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.85 : 4,373.20 = 2,423.63 : x
  2. Step 2: Convert to fraction form
    3,170.85/4,373.20 = 2,423.63/x
  3. Step 3: Cross multiply
    3,170.85x = 4,373.20 × 2,423.63
  4. Step 4: Simplify right side
    3,170.85x = 10,599,018.72
  5. Step 5: Solve for x
    x = 10,599,018.72/3,170.85
  6. Step 6: Final answer
    x = 3,342.64

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Half scale
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Double scale
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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.