Home / 5,423.48-8,126.70-4,193.90

Finding the Fourth Proportional to 5,423.48, 8,126.70 and 4,193.90

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Solution

The fourth proportional to 5,423.48, 8,126.70 and 4,193.90 is: 6,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.48 : 8,126.70 = 4,193.90 : x
  2. Step 2: Convert to fraction form
    5,423.48/8,126.70 = 4,193.90/x
  3. Step 3: Cross multiply
    5,423.48x = 8,126.70 × 4,193.90
  4. Step 4: Simplify right side
    5,423.48x = 34,082,567.13
  5. Step 5: Solve for x
    x = 34,082,567.13/5,423.48
  6. Step 6: Final answer
    x = 6,284.26

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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.