Home / 5,675.31-8,513.77-2,386.35

Finding the Fourth Proportional to 5,675.31, 8,513.77 and 2,386.35

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Solution

The fourth proportional to 5,675.31, 8,513.77 and 2,386.35 is: 3,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.31 : 8,513.77 = 2,386.35 : x
  2. Step 2: Convert to fraction form
    5,675.31/8,513.77 = 2,386.35/x
  3. Step 3: Cross multiply
    5,675.31x = 8,513.77 × 2,386.35
  4. Step 4: Simplify right side
    5,675.31x = 20,316,823.11
  5. Step 5: Solve for x
    x = 20,316,823.11/5,675.31
  6. Step 6: Final answer
    x = 3,579.86

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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.