Home / 3,756.81-5,185.91-2,266.01

Finding the Fourth Proportional to 3,756.81, 5,185.91 and 2,266.01

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Solution

The fourth proportional to 3,756.81, 5,185.91 and 2,266.01 is: 3,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.81 : 5,185.91 = 2,266.01 : x
  2. Step 2: Convert to fraction form
    3,756.81/5,185.91 = 2,266.01/x
  3. Step 3: Cross multiply
    3,756.81x = 5,185.91 × 2,266.01
  4. Step 4: Simplify right side
    3,756.81x = 11,751,303.65
  5. Step 5: Solve for x
    x = 11,751,303.65/3,756.81
  6. Step 6: Final answer
    x = 3,128.00

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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.