Home / 5,473.40-8,207.70-2,185.40

Finding the Fourth Proportional to 5,473.40, 8,207.70 and 2,185.40

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Solution

The fourth proportional to 5,473.40, 8,207.70 and 2,185.40 is: 3,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.40 : 8,207.70 = 2,185.40 : x
  2. Step 2: Convert to fraction form
    5,473.40/8,207.70 = 2,185.40/x
  3. Step 3: Cross multiply
    5,473.40x = 8,207.70 × 2,185.40
  4. Step 4: Simplify right side
    5,473.40x = 17,937,107.58
  5. Step 5: Solve for x
    x = 17,937,107.58/5,473.40
  6. Step 6: Final answer
    x = 3,277.14

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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.