Home / 5,486.96-8,228.44-1,590.56

Finding the Fourth Proportional to 5,486.96, 8,228.44 and 1,590.56

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Solution

The fourth proportional to 5,486.96, 8,228.44 and 1,590.56 is: 2,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.96 : 8,228.44 = 1,590.56 : x
  2. Step 2: Convert to fraction form
    5,486.96/8,228.44 = 1,590.56/x
  3. Step 3: Cross multiply
    5,486.96x = 8,228.44 × 1,590.56
  4. Step 4: Simplify right side
    5,486.96x = 13,087,827.53
  5. Step 5: Solve for x
    x = 13,087,827.53/5,486.96
  6. Step 6: Final answer
    x = 2,385.26

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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.