Home / 6,531.84-9,015.08-3,699.37

Finding the Fourth Proportional to 6,531.84, 9,015.08 and 3,699.37

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Solution

The fourth proportional to 6,531.84, 9,015.08 and 3,699.37 is: 5,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.84 : 9,015.08 = 3,699.37 : x
  2. Step 2: Convert to fraction form
    6,531.84/9,015.08 = 3,699.37/x
  3. Step 3: Cross multiply
    6,531.84x = 9,015.08 × 3,699.37
  4. Step 4: Simplify right side
    6,531.84x = 33,350,071.42
  5. Step 5: Solve for x
    x = 33,350,071.42/6,531.84
  6. Step 6: Final answer
    x = 5,105.77

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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.