Home / 5,870.48-8,806.87-2,172.74

Finding the Fourth Proportional to 5,870.48, 8,806.87 and 2,172.74

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Solution

The fourth proportional to 5,870.48, 8,806.87 and 2,172.74 is: 3,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.48 : 8,806.87 = 2,172.74 : x
  2. Step 2: Convert to fraction form
    5,870.48/8,806.87 = 2,172.74/x
  3. Step 3: Cross multiply
    5,870.48x = 8,806.87 × 2,172.74
  4. Step 4: Simplify right side
    5,870.48x = 19,135,036.13
  5. Step 5: Solve for x
    x = 19,135,036.13/5,870.48
  6. Step 6: Final answer
    x = 3,259.54

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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.