Home / 5,465.84-8,193.72-2,178.32

Finding the Fourth Proportional to 5,465.84, 8,193.72 and 2,178.32

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Solution

The fourth proportional to 5,465.84, 8,193.72 and 2,178.32 is: 3,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.84 : 8,193.72 = 2,178.32 : x
  2. Step 2: Convert to fraction form
    5,465.84/8,193.72 = 2,178.32/x
  3. Step 3: Cross multiply
    5,465.84x = 8,193.72 × 2,178.32
  4. Step 4: Simplify right side
    5,465.84x = 17,848,544.15
  5. Step 5: Solve for x
    x = 17,848,544.15/5,465.84
  6. Step 6: Final answer
    x = 3,265.47

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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.