Home / 5,590.97-8,386.74-1,431.01

Finding the Fourth Proportional to 5,590.97, 8,386.74 and 1,431.01

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Solution

The fourth proportional to 5,590.97, 8,386.74 and 1,431.01 is: 2,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.97 : 8,386.74 = 1,431.01 : x
  2. Step 2: Convert to fraction form
    5,590.97/8,386.74 = 1,431.01/x
  3. Step 3: Cross multiply
    5,590.97x = 8,386.74 × 1,431.01
  4. Step 4: Simplify right side
    5,590.97x = 12,001,513.92
  5. Step 5: Solve for x
    x = 12,001,513.92/5,590.97
  6. Step 6: Final answer
    x = 2,146.59

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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.