Home / 6,415.12-9,622-1,734.81

Finding the Fourth Proportional to 6,415.12, 9,622 and 1,734.81

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Solution

The fourth proportional to 6,415.12, 9,622 and 1,734.81 is: 2,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.12 : 9,622 = 1,734.81 : x
  2. Step 2: Convert to fraction form
    6,415.12/9,622 = 1,734.81/x
  3. Step 3: Cross multiply
    6,415.12x = 9,622 × 1,734.81
  4. Step 4: Simplify right side
    6,415.12x = 16,692,341.82
  5. Step 5: Solve for x
    x = 16,692,341.82/6,415.12
  6. Step 6: Final answer
    x = 2,602.03

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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.