Home / 4,724.04-6,515.61-3,127.86

Finding the Fourth Proportional to 4,724.04, 6,515.61 and 3,127.86

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Solution

The fourth proportional to 4,724.04, 6,515.61 and 3,127.86 is: 4,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.04 : 6,515.61 = 3,127.86 : x
  2. Step 2: Convert to fraction form
    4,724.04/6,515.61 = 3,127.86/x
  3. Step 3: Cross multiply
    4,724.04x = 6,515.61 × 3,127.86
  4. Step 4: Simplify right side
    4,724.04x = 20,379,915.89
  5. Step 5: Solve for x
    x = 20,379,915.89/4,724.04
  6. Step 6: Final answer
    x = 4,314.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.