Home / 4,079.16-6,118.20-1,157.69

Finding the Fourth Proportional to 4,079.16, 6,118.20 and 1,157.69

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Solution

The fourth proportional to 4,079.16, 6,118.20 and 1,157.69 is: 1,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.16 : 6,118.20 = 1,157.69 : x
  2. Step 2: Convert to fraction form
    4,079.16/6,118.20 = 1,157.69/x
  3. Step 3: Cross multiply
    4,079.16x = 6,118.20 × 1,157.69
  4. Step 4: Simplify right side
    4,079.16x = 7,082,994.25
  5. Step 5: Solve for x
    x = 7,082,994.25/4,079.16
  6. Step 6: Final answer
    x = 1,736.39

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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.