Home / 5,282.12-7,292.35-3,945.08

Finding the Fourth Proportional to 5,282.12, 7,292.35 and 3,945.08

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Solution

The fourth proportional to 5,282.12, 7,292.35 and 3,945.08 is: 5,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.12 : 7,292.35 = 3,945.08 : x
  2. Step 2: Convert to fraction form
    5,282.12/7,292.35 = 3,945.08/x
  3. Step 3: Cross multiply
    5,282.12x = 7,292.35 × 3,945.08
  4. Step 4: Simplify right side
    5,282.12x = 28,768,904.14
  5. Step 5: Solve for x
    x = 28,768,904.14/5,282.12
  6. Step 6: Final answer
    x = 5,446.47

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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.