Home / 3,136.22-4,328.19-1,810.01

Finding the Fourth Proportional to 3,136.22, 4,328.19 and 1,810.01

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Solution

The fourth proportional to 3,136.22, 4,328.19 and 1,810.01 is: 2,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.22 : 4,328.19 = 1,810.01 : x
  2. Step 2: Convert to fraction form
    3,136.22/4,328.19 = 1,810.01/x
  3. Step 3: Cross multiply
    3,136.22x = 4,328.19 × 1,810.01
  4. Step 4: Simplify right side
    3,136.22x = 7,834,078.00
  5. Step 5: Solve for x
    x = 7,834,078.00/3,136.22
  6. Step 6: Final answer
    x = 2,497.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.