Home / 7,725.58-11,588.40-3,829.07

Finding the Fourth Proportional to 7,725.58, 11,588.40 and 3,829.07

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Solution

The fourth proportional to 7,725.58, 11,588.40 and 3,829.07 is: 5,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.58 : 11,588.40 = 3,829.07 : x
  2. Step 2: Convert to fraction form
    7,725.58/11,588.40 = 3,829.07/x
  3. Step 3: Cross multiply
    7,725.58x = 11,588.40 × 3,829.07
  4. Step 4: Simplify right side
    7,725.58x = 44,372,823.76
  5. Step 5: Solve for x
    x = 44,372,823.76/7,725.58
  6. Step 6: Final answer
    x = 5,743.63

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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.