Home / 3,116.44-4,673.28-1,655.28

Finding the Fourth Proportional to 3,116.44, 4,673.28 and 1,655.28

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Solution

The fourth proportional to 3,116.44, 4,673.28 and 1,655.28 is: 2,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.44 : 4,673.28 = 1,655.28 : x
  2. Step 2: Convert to fraction form
    3,116.44/4,673.28 = 1,655.28/x
  3. Step 3: Cross multiply
    3,116.44x = 4,673.28 × 1,655.28
  4. Step 4: Simplify right side
    3,116.44x = 7,735,586.92
  5. Step 5: Solve for x
    x = 7,735,586.92/3,116.44
  6. Step 6: Final answer
    x = 2,482.19

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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.