Home / 5,579.32-7,705.20-4,829.68

Finding the Fourth Proportional to 5,579.32, 7,705.20 and 4,829.68

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Solution

The fourth proportional to 5,579.32, 7,705.20 and 4,829.68 is: 6,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.32 : 7,705.20 = 4,829.68 : x
  2. Step 2: Convert to fraction form
    5,579.32/7,705.20 = 4,829.68/x
  3. Step 3: Cross multiply
    5,579.32x = 7,705.20 × 4,829.68
  4. Step 4: Simplify right side
    5,579.32x = 37,213,650.34
  5. Step 5: Solve for x
    x = 37,213,650.34/5,579.32
  6. Step 6: Final answer
    x = 6,669.93

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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.