Home / 5,774.70-8,655.84-2,489.34

Finding the Fourth Proportional to 5,774.70, 8,655.84 and 2,489.34

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Solution

The fourth proportional to 5,774.70, 8,655.84 and 2,489.34 is: 3,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.70 : 8,655.84 = 2,489.34 : x
  2. Step 2: Convert to fraction form
    5,774.70/8,655.84 = 2,489.34/x
  3. Step 3: Cross multiply
    5,774.70x = 8,655.84 × 2,489.34
  4. Step 4: Simplify right side
    5,774.70x = 21,547,328.75
  5. Step 5: Solve for x
    x = 21,547,328.75/5,774.70
  6. Step 6: Final answer
    x = 3,731.33

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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.