Home / 5,409.63-7,465.55-3,286.62

Finding the Fourth Proportional to 5,409.63, 7,465.55 and 3,286.62

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Solution

The fourth proportional to 5,409.63, 7,465.55 and 3,286.62 is: 4,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.63 : 7,465.55 = 3,286.62 : x
  2. Step 2: Convert to fraction form
    5,409.63/7,465.55 = 3,286.62/x
  3. Step 3: Cross multiply
    5,409.63x = 7,465.55 × 3,286.62
  4. Step 4: Simplify right side
    5,409.63x = 24,536,409.51
  5. Step 5: Solve for x
    x = 24,536,409.51/5,409.63
  6. Step 6: Final answer
    x = 4,535.69

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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.