Home / 4,611.80-6,916.10-1,491.06

Finding the Fourth Proportional to 4,611.80, 6,916.10 and 1,491.06

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Solution

The fourth proportional to 4,611.80, 6,916.10 and 1,491.06 is: 2,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.80 : 6,916.10 = 1,491.06 : x
  2. Step 2: Convert to fraction form
    4,611.80/6,916.10 = 1,491.06/x
  3. Step 3: Cross multiply
    4,611.80x = 6,916.10 × 1,491.06
  4. Step 4: Simplify right side
    4,611.80x = 10,312,312.61
  5. Step 5: Solve for x
    x = 10,312,312.61/4,611.80
  6. Step 6: Final answer
    x = 2,236.07

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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.