Home / 5,373.69-7,415.81-3,015.99

Finding the Fourth Proportional to 5,373.69, 7,415.81 and 3,015.99

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Solution

The fourth proportional to 5,373.69, 7,415.81 and 3,015.99 is: 4,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.69 : 7,415.81 = 3,015.99 : x
  2. Step 2: Convert to fraction form
    5,373.69/7,415.81 = 3,015.99/x
  3. Step 3: Cross multiply
    5,373.69x = 7,415.81 × 3,015.99
  4. Step 4: Simplify right side
    5,373.69x = 22,365,993.72
  5. Step 5: Solve for x
    x = 22,365,993.72/5,373.69
  6. Step 6: Final answer
    x = 4,162.13

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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.