Home / 4,615.08-6,368.81-2,847.71

Finding the Fourth Proportional to 4,615.08, 6,368.81 and 2,847.71

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Solution

The fourth proportional to 4,615.08, 6,368.81 and 2,847.71 is: 3,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.08 : 6,368.81 = 2,847.71 : x
  2. Step 2: Convert to fraction form
    4,615.08/6,368.81 = 2,847.71/x
  3. Step 3: Cross multiply
    4,615.08x = 6,368.81 × 2,847.71
  4. Step 4: Simplify right side
    4,615.08x = 18,136,546.97
  5. Step 5: Solve for x
    x = 18,136,546.97/4,615.08
  6. Step 6: Final answer
    x = 3,929.84

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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.