Home / 7,731.36-11,597.89-2,465.15

Finding the Fourth Proportional to 7,731.36, 11,597.89 and 2,465.15

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Solution

The fourth proportional to 7,731.36, 11,597.89 and 2,465.15 is: 3,697.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.36 : 11,597.89 = 2,465.15 : x
  2. Step 2: Convert to fraction form
    7,731.36/11,597.89 = 2,465.15/x
  3. Step 3: Cross multiply
    7,731.36x = 11,597.89 × 2,465.15
  4. Step 4: Simplify right side
    7,731.36x = 28,590,474.38
  5. Step 5: Solve for x
    x = 28,590,474.38/7,731.36
  6. Step 6: Final answer
    x = 3,697.99

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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.