Home / 5,870.67-8,807.15-2,172.93

Finding the Fourth Proportional to 5,870.67, 8,807.15 and 2,172.93

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Solution

The fourth proportional to 5,870.67, 8,807.15 and 2,172.93 is: 3,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.67 : 8,807.15 = 2,172.93 : x
  2. Step 2: Convert to fraction form
    5,870.67/8,807.15 = 2,172.93/x
  3. Step 3: Cross multiply
    5,870.67x = 8,807.15 × 2,172.93
  4. Step 4: Simplify right side
    5,870.67x = 19,137,292.86
  5. Step 5: Solve for x
    x = 19,137,292.86/5,870.67
  6. Step 6: Final answer
    x = 3,259.82

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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.