Home / 6,087.15-9,135.36-2,390.31

Finding the Fourth Proportional to 6,087.15, 9,135.36 and 2,390.31

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Solution

The fourth proportional to 6,087.15, 9,135.36 and 2,390.31 is: 3,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.15 : 9,135.36 = 2,390.31 : x
  2. Step 2: Convert to fraction form
    6,087.15/9,135.36 = 2,390.31/x
  3. Step 3: Cross multiply
    6,087.15x = 9,135.36 × 2,390.31
  4. Step 4: Simplify right side
    6,087.15x = 21,836,342.36
  5. Step 5: Solve for x
    x = 21,836,342.36/6,087.15
  6. Step 6: Final answer
    x = 3,587.29

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1.5x scale

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.