Home / 4,079.15-6,118.61-1,157.45

Finding the Fourth Proportional to 4,079.15, 6,118.61 and 1,157.45

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Solution

The fourth proportional to 4,079.15, 6,118.61 and 1,157.45 is: 1,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.15 : 6,118.61 = 1,157.45 : x
  2. Step 2: Convert to fraction form
    4,079.15/6,118.61 = 1,157.45/x
  3. Step 3: Cross multiply
    4,079.15x = 6,118.61 × 1,157.45
  4. Step 4: Simplify right side
    4,079.15x = 7,081,985.14
  5. Step 5: Solve for x
    x = 7,081,985.14/4,079.15
  6. Step 6: Final answer
    x = 1,736.14

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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.