Home / 3,586.16-5,379.28-1,277.84

Finding the Fourth Proportional to 3,586.16, 5,379.28 and 1,277.84

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Solution

The fourth proportional to 3,586.16, 5,379.28 and 1,277.84 is: 1,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.16 : 5,379.28 = 1,277.84 : x
  2. Step 2: Convert to fraction form
    3,586.16/5,379.28 = 1,277.84/x
  3. Step 3: Cross multiply
    3,586.16x = 5,379.28 × 1,277.84
  4. Step 4: Simplify right side
    3,586.16x = 6,873,859.16
  5. Step 5: Solve for x
    x = 6,873,859.16/3,586.16
  6. Step 6: Final answer
    x = 1,916.77

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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.