Home / 5,234.45-7,223.52-2,876.60

Finding the Fourth Proportional to 5,234.45, 7,223.52 and 2,876.60

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Solution

The fourth proportional to 5,234.45, 7,223.52 and 2,876.60 is: 3,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.45 : 7,223.52 = 2,876.60 : x
  2. Step 2: Convert to fraction form
    5,234.45/7,223.52 = 2,876.60/x
  3. Step 3: Cross multiply
    5,234.45x = 7,223.52 × 2,876.60
  4. Step 4: Simplify right side
    5,234.45x = 20,779,141.51
  5. Step 5: Solve for x
    x = 20,779,141.51/5,234.45
  6. Step 6: Final answer
    x = 3,969.69

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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.