Home / 4,118.94-6,178.40-1,197.32

Finding the Fourth Proportional to 4,118.94, 6,178.40 and 1,197.32

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Solution

The fourth proportional to 4,118.94, 6,178.40 and 1,197.32 is: 1,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.94 : 6,178.40 = 1,197.32 : x
  2. Step 2: Convert to fraction form
    4,118.94/6,178.40 = 1,197.32/x
  3. Step 3: Cross multiply
    4,118.94x = 6,178.40 × 1,197.32
  4. Step 4: Simplify right side
    4,118.94x = 7,397,521.89
  5. Step 5: Solve for x
    x = 7,397,521.89/4,118.94
  6. Step 6: Final answer
    x = 1,795.98

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Half scale
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Double scale
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Similar ratio
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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.