Home / 5,686.61-8,531.16-1,738.19

Finding the Fourth Proportional to 5,686.61, 8,531.16 and 1,738.19

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Solution

The fourth proportional to 5,686.61, 8,531.16 and 1,738.19 is: 2,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.61 : 8,531.16 = 1,738.19 : x
  2. Step 2: Convert to fraction form
    5,686.61/8,531.16 = 1,738.19/x
  3. Step 3: Cross multiply
    5,686.61x = 8,531.16 × 1,738.19
  4. Step 4: Simplify right side
    5,686.61x = 14,828,768.31
  5. Step 5: Solve for x
    x = 14,828,768.31/5,686.61
  6. Step 6: Final answer
    x = 2,607.67

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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.