Home / 5,417.90-8,125.93-2,131.93

Finding the Fourth Proportional to 5,417.90, 8,125.93 and 2,131.93

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Solution

The fourth proportional to 5,417.90, 8,125.93 and 2,131.93 is: 3,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.90 : 8,125.93 = 2,131.93 : x
  2. Step 2: Convert to fraction form
    5,417.90/8,125.93 = 2,131.93/x
  3. Step 3: Cross multiply
    5,417.90x = 8,125.93 × 2,131.93
  4. Step 4: Simplify right side
    5,417.90x = 17,323,888.30
  5. Step 5: Solve for x
    x = 17,323,888.30/5,417.90
  6. Step 6: Final answer
    x = 3,197.53

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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.