Home / 4,084.76-6,127.18-1,311.46

Finding the Fourth Proportional to 4,084.76, 6,127.18 and 1,311.46

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Solution

The fourth proportional to 4,084.76, 6,127.18 and 1,311.46 is: 1,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.76 : 6,127.18 = 1,311.46 : x
  2. Step 2: Convert to fraction form
    4,084.76/6,127.18 = 1,311.46/x
  3. Step 3: Cross multiply
    4,084.76x = 6,127.18 × 1,311.46
  4. Step 4: Simplify right side
    4,084.76x = 8,035,532.89
  5. Step 5: Solve for x
    x = 8,035,532.89/4,084.76
  6. Step 6: Final answer
    x = 1,967.20

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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.