Home / 1,946.55-2,916.33-1,068.11

Finding the Fourth Proportional to 1,946.55, 2,916.33 and 1,068.11

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Solution

The fourth proportional to 1,946.55, 2,916.33 and 1,068.11 is: 1,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.55 : 2,916.33 = 1,068.11 : x
  2. Step 2: Convert to fraction form
    1,946.55/2,916.33 = 1,068.11/x
  3. Step 3: Cross multiply
    1,946.55x = 2,916.33 × 1,068.11
  4. Step 4: Simplify right side
    1,946.55x = 3,114,946.65
  5. Step 5: Solve for x
    x = 3,114,946.65/1,946.55
  6. Step 6: Final answer
    x = 1,600.24

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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.