Home / 4,079.56-6,118.48-1,157.08

Finding the Fourth Proportional to 4,079.56, 6,118.48 and 1,157.08

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Solution

The fourth proportional to 4,079.56, 6,118.48 and 1,157.08 is: 1,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.56 : 6,118.48 = 1,157.08 : x
  2. Step 2: Convert to fraction form
    4,079.56/6,118.48 = 1,157.08/x
  3. Step 3: Cross multiply
    4,079.56x = 6,118.48 × 1,157.08
  4. Step 4: Simplify right side
    4,079.56x = 7,079,570.84
  5. Step 5: Solve for x
    x = 7,079,570.84/4,079.56
  6. Step 6: Final answer
    x = 1,735.38

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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.