Home / 6,259.76-8,638.46-3,465.28

Finding the Fourth Proportional to 6,259.76, 8,638.46 and 3,465.28

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Solution

The fourth proportional to 6,259.76, 8,638.46 and 3,465.28 is: 4,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.76 : 8,638.46 = 3,465.28 : x
  2. Step 2: Convert to fraction form
    6,259.76/8,638.46 = 3,465.28/x
  3. Step 3: Cross multiply
    6,259.76x = 8,638.46 × 3,465.28
  4. Step 4: Simplify right side
    6,259.76x = 29,934,682.67
  5. Step 5: Solve for x
    x = 29,934,682.67/6,259.76
  6. Step 6: Final answer
    x = 4,782.08

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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.