Home / 5,790.24-8,685.42-1,407.75

Finding the Fourth Proportional to 5,790.24, 8,685.42 and 1,407.75

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Solution

The fourth proportional to 5,790.24, 8,685.42 and 1,407.75 is: 2,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.24 : 8,685.42 = 1,407.75 : x
  2. Step 2: Convert to fraction form
    5,790.24/8,685.42 = 1,407.75/x
  3. Step 3: Cross multiply
    5,790.24x = 8,685.42 × 1,407.75
  4. Step 4: Simplify right side
    5,790.24x = 12,226,900.01
  5. Step 5: Solve for x
    x = 12,226,900.01/5,790.24
  6. Step 6: Final answer
    x = 2,111.64

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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.