Home / 5,005.35-7,509.33-1,885.38

Finding the Fourth Proportional to 5,005.35, 7,509.33 and 1,885.38

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Solution

The fourth proportional to 5,005.35, 7,509.33 and 1,885.38 is: 2,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.35 : 7,509.33 = 1,885.38 : x
  2. Step 2: Convert to fraction form
    5,005.35/7,509.33 = 1,885.38/x
  3. Step 3: Cross multiply
    5,005.35x = 7,509.33 × 1,885.38
  4. Step 4: Simplify right side
    5,005.35x = 14,157,940.60
  5. Step 5: Solve for x
    x = 14,157,940.60/5,005.35
  6. Step 6: Final answer
    x = 2,828.56

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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.