Home / 6,543.12-9,026.53-3,889.02

Finding the Fourth Proportional to 6,543.12, 9,026.53 and 3,889.02

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Solution

The fourth proportional to 6,543.12, 9,026.53 and 3,889.02 is: 5,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.12 : 9,026.53 = 3,889.02 : x
  2. Step 2: Convert to fraction form
    6,543.12/9,026.53 = 3,889.02/x
  3. Step 3: Cross multiply
    6,543.12x = 9,026.53 × 3,889.02
  4. Step 4: Simplify right side
    6,543.12x = 35,104,345.98
  5. Step 5: Solve for x
    x = 35,104,345.98/6,543.12
  6. Step 6: Final answer
    x = 5,365.08

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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.