Home / 4,106.81-6,160.55-1,185.14

Finding the Fourth Proportional to 4,106.81, 6,160.55 and 1,185.14

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Solution

The fourth proportional to 4,106.81, 6,160.55 and 1,185.14 is: 1,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.81 : 6,160.55 = 1,185.14 : x
  2. Step 2: Convert to fraction form
    4,106.81/6,160.55 = 1,185.14/x
  3. Step 3: Cross multiply
    4,106.81x = 6,160.55 × 1,185.14
  4. Step 4: Simplify right side
    4,106.81x = 7,301,077.50
  5. Step 5: Solve for x
    x = 7,301,077.50/4,106.81
  6. Step 6: Final answer
    x = 1,777.80

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1.5x scale

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.