Home / 5,491.32-8,237.70-1,792.56

Finding the Fourth Proportional to 5,491.32, 8,237.70 and 1,792.56

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Solution

The fourth proportional to 5,491.32, 8,237.70 and 1,792.56 is: 2,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.32 : 8,237.70 = 1,792.56 : x
  2. Step 2: Convert to fraction form
    5,491.32/8,237.70 = 1,792.56/x
  3. Step 3: Cross multiply
    5,491.32x = 8,237.70 × 1,792.56
  4. Step 4: Simplify right side
    5,491.32x = 14,766,571.51
  5. Step 5: Solve for x
    x = 14,766,571.51/5,491.32
  6. Step 6: Final answer
    x = 2,689.08

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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.