Home / 4,292.07-6,438.11-2,343.21

Finding the Fourth Proportional to 4,292.07, 6,438.11 and 2,343.21

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Solution

The fourth proportional to 4,292.07, 6,438.11 and 2,343.21 is: 3,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.07 : 6,438.11 = 2,343.21 : x
  2. Step 2: Convert to fraction form
    4,292.07/6,438.11 = 2,343.21/x
  3. Step 3: Cross multiply
    4,292.07x = 6,438.11 × 2,343.21
  4. Step 4: Simplify right side
    4,292.07x = 15,085,832.02
  5. Step 5: Solve for x
    x = 15,085,832.02/4,292.07
  6. Step 6: Final answer
    x = 3,514.82

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.