Home / 5,807.29-8,708.20-2,106.93

Finding the Fourth Proportional to 5,807.29, 8,708.20 and 2,106.93

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Solution

The fourth proportional to 5,807.29, 8,708.20 and 2,106.93 is: 3,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.29 : 8,708.20 = 2,106.93 : x
  2. Step 2: Convert to fraction form
    5,807.29/8,708.20 = 2,106.93/x
  3. Step 3: Cross multiply
    5,807.29x = 8,708.20 × 2,106.93
  4. Step 4: Simplify right side
    5,807.29x = 18,347,567.83
  5. Step 5: Solve for x
    x = 18,347,567.83/5,807.29
  6. Step 6: Final answer
    x = 3,159.40

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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.