Home / 2,445.12-3,667.14-713.34

Finding the Fourth Proportional to 2,445.12, 3,667.14 and 713.34

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Solution

The fourth proportional to 2,445.12, 3,667.14 and 713.34 is: 1,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.12 : 3,667.14 = 713.34 : x
  2. Step 2: Convert to fraction form
    2,445.12/3,667.14 = 713.34/x
  3. Step 3: Cross multiply
    2,445.12x = 3,667.14 × 713.34
  4. Step 4: Simplify right side
    2,445.12x = 2,615,917.65
  5. Step 5: Solve for x
    x = 2,615,917.65/2,445.12
  6. Step 6: Final answer
    x = 1,069.85

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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.