Home / 5,009.15-7,513.74-2,087.48

Finding the Fourth Proportional to 5,009.15, 7,513.74 and 2,087.48

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Solution

The fourth proportional to 5,009.15, 7,513.74 and 2,087.48 is: 3,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.15 : 7,513.74 = 2,087.48 : x
  2. Step 2: Convert to fraction form
    5,009.15/7,513.74 = 2,087.48/x
  3. Step 3: Cross multiply
    5,009.15x = 7,513.74 × 2,087.48
  4. Step 4: Simplify right side
    5,009.15x = 15,684,800.76
  5. Step 5: Solve for x
    x = 15,684,800.76/5,009.15
  6. Step 6: Final answer
    x = 3,131.23

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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.