Home / 4,263.30-6,386.76-2,615.04

Finding the Fourth Proportional to 4,263.30, 6,386.76 and 2,615.04

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Solution

The fourth proportional to 4,263.30, 6,386.76 and 2,615.04 is: 3,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.30 : 6,386.76 = 2,615.04 : x
  2. Step 2: Convert to fraction form
    4,263.30/6,386.76 = 2,615.04/x
  3. Step 3: Cross multiply
    4,263.30x = 6,386.76 × 2,615.04
  4. Step 4: Simplify right side
    4,263.30x = 16,701,632.87
  5. Step 5: Solve for x
    x = 16,701,632.87/4,263.30
  6. Step 6: Final answer
    x = 3,917.54

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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.