Home / 6,240.60-8,610.51-3,881.46

Finding the Fourth Proportional to 6,240.60, 8,610.51 and 3,881.46

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Solution

The fourth proportional to 6,240.60, 8,610.51 and 3,881.46 is: 5,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.60 : 8,610.51 = 3,881.46 : x
  2. Step 2: Convert to fraction form
    6,240.60/8,610.51 = 3,881.46/x
  3. Step 3: Cross multiply
    6,240.60x = 8,610.51 × 3,881.46
  4. Step 4: Simplify right side
    6,240.60x = 33,421,350.14
  5. Step 5: Solve for x
    x = 33,421,350.14/6,240.60
  6. Step 6: Final answer
    x = 5,355.47

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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.