Home / 5,423.24-8,134.71-1,725.69

Finding the Fourth Proportional to 5,423.24, 8,134.71 and 1,725.69

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Solution

The fourth proportional to 5,423.24, 8,134.71 and 1,725.69 is: 2,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.24 : 8,134.71 = 1,725.69 : x
  2. Step 2: Convert to fraction form
    5,423.24/8,134.71 = 1,725.69/x
  3. Step 3: Cross multiply
    5,423.24x = 8,134.71 × 1,725.69
  4. Step 4: Simplify right side
    5,423.24x = 14,038,021.44
  5. Step 5: Solve for x
    x = 14,038,021.44/5,423.24
  6. Step 6: Final answer
    x = 2,588.49

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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.