Home / 3,136.10-4,702.26-1,055.53

Finding the Fourth Proportional to 3,136.10, 4,702.26 and 1,055.53

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Solution

The fourth proportional to 3,136.10, 4,702.26 and 1,055.53 is: 1,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.10 : 4,702.26 = 1,055.53 : x
  2. Step 2: Convert to fraction form
    3,136.10/4,702.26 = 1,055.53/x
  3. Step 3: Cross multiply
    3,136.10x = 4,702.26 × 1,055.53
  4. Step 4: Simplify right side
    3,136.10x = 4,963,352.99
  5. Step 5: Solve for x
    x = 4,963,352.99/3,136.10
  6. Step 6: Final answer
    x = 1,582.65

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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.