Home / 5,288.18-7,289.21-4,167.26

Finding the Fourth Proportional to 5,288.18, 7,289.21 and 4,167.26

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Solution

The fourth proportional to 5,288.18, 7,289.21 and 4,167.26 is: 5,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.18 : 7,289.21 = 4,167.26 : x
  2. Step 2: Convert to fraction form
    5,288.18/7,289.21 = 4,167.26/x
  3. Step 3: Cross multiply
    5,288.18x = 7,289.21 × 4,167.26
  4. Step 4: Simplify right side
    5,288.18x = 30,376,007.24
  5. Step 5: Solve for x
    x = 30,376,007.24/5,288.18
  6. Step 6: Final answer
    x = 5,744.14

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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.