Home / 4,389.58-6,586.80-1,792.31

Finding the Fourth Proportional to 4,389.58, 6,586.80 and 1,792.31

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Solution

The fourth proportional to 4,389.58, 6,586.80 and 1,792.31 is: 2,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.58 : 6,586.80 = 1,792.31 : x
  2. Step 2: Convert to fraction form
    4,389.58/6,586.80 = 1,792.31/x
  3. Step 3: Cross multiply
    4,389.58x = 6,586.80 × 1,792.31
  4. Step 4: Simplify right side
    4,389.58x = 11,805,597.25
  5. Step 5: Solve for x
    x = 11,805,597.25/4,389.58
  6. Step 6: Final answer
    x = 2,689.46

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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.