Home / 5,845.40-8,766.30-1,685.08

Finding the Fourth Proportional to 5,845.40, 8,766.30 and 1,685.08

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Solution

The fourth proportional to 5,845.40, 8,766.30 and 1,685.08 is: 2,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.40 : 8,766.30 = 1,685.08 : x
  2. Step 2: Convert to fraction form
    5,845.40/8,766.30 = 1,685.08/x
  3. Step 3: Cross multiply
    5,845.40x = 8,766.30 × 1,685.08
  4. Step 4: Simplify right side
    5,845.40x = 14,771,916.80
  5. Step 5: Solve for x
    x = 14,771,916.80/5,845.40
  6. Step 6: Final answer
    x = 2,527.10

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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.