Home / 2,916.66-4,368.51-1,617.30

Finding the Fourth Proportional to 2,916.66, 4,368.51 and 1,617.30

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Solution

The fourth proportional to 2,916.66, 4,368.51 and 1,617.30 is: 2,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.66 : 4,368.51 = 1,617.30 : x
  2. Step 2: Convert to fraction form
    2,916.66/4,368.51 = 1,617.30/x
  3. Step 3: Cross multiply
    2,916.66x = 4,368.51 × 1,617.30
  4. Step 4: Simplify right side
    2,916.66x = 7,065,191.22
  5. Step 5: Solve for x
    x = 7,065,191.22/2,916.66
  6. Step 6: Final answer
    x = 2,422.36

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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.