Home / 5,134.09-7,701.62-1,436.32

Finding the Fourth Proportional to 5,134.09, 7,701.62 and 1,436.32

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Solution

The fourth proportional to 5,134.09, 7,701.62 and 1,436.32 is: 2,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.09 : 7,701.62 = 1,436.32 : x
  2. Step 2: Convert to fraction form
    5,134.09/7,701.62 = 1,436.32/x
  3. Step 3: Cross multiply
    5,134.09x = 7,701.62 × 1,436.32
  4. Step 4: Simplify right side
    5,134.09x = 11,061,990.84
  5. Step 5: Solve for x
    x = 11,061,990.84/5,134.09
  6. Step 6: Final answer
    x = 2,154.62

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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.