Home / 5,558.48-7,669.88-4,214.84

Finding the Fourth Proportional to 5,558.48, 7,669.88 and 4,214.84

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Solution

The fourth proportional to 5,558.48, 7,669.88 and 4,214.84 is: 5,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.48 : 7,669.88 = 4,214.84 : x
  2. Step 2: Convert to fraction form
    5,558.48/7,669.88 = 4,214.84/x
  3. Step 3: Cross multiply
    5,558.48x = 7,669.88 × 4,214.84
  4. Step 4: Simplify right side
    5,558.48x = 32,327,317.02
  5. Step 5: Solve for x
    x = 32,327,317.02/5,558.48
  6. Step 6: Final answer
    x = 5,815.86

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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.