Home / 5,486.04-8,228.52-1,590.36

Finding the Fourth Proportional to 5,486.04, 8,228.52 and 1,590.36

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Solution

The fourth proportional to 5,486.04, 8,228.52 and 1,590.36 is: 2,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.04 : 8,228.52 = 1,590.36 : x
  2. Step 2: Convert to fraction form
    5,486.04/8,228.52 = 1,590.36/x
  3. Step 3: Cross multiply
    5,486.04x = 8,228.52 × 1,590.36
  4. Step 4: Simplify right side
    5,486.04x = 13,086,309.07
  5. Step 5: Solve for x
    x = 13,086,309.07/5,486.04
  6. Step 6: Final answer
    x = 2,385.38

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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.