Home / 5,579.42-8,368.19-2,458.58

Finding the Fourth Proportional to 5,579.42, 8,368.19 and 2,458.58

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Solution

The fourth proportional to 5,579.42, 8,368.19 and 2,458.58 is: 3,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.42 : 8,368.19 = 2,458.58 : x
  2. Step 2: Convert to fraction form
    5,579.42/8,368.19 = 2,458.58/x
  3. Step 3: Cross multiply
    5,579.42x = 8,368.19 × 2,458.58
  4. Step 4: Simplify right side
    5,579.42x = 20,573,810.44
  5. Step 5: Solve for x
    x = 20,573,810.44/5,579.42
  6. Step 6: Final answer
    x = 3,687.45

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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.