Home / 5,702.13-7,868.75-3,184.45

Finding the Fourth Proportional to 5,702.13, 7,868.75 and 3,184.45

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Solution

The fourth proportional to 5,702.13, 7,868.75 and 3,184.45 is: 4,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.13 : 7,868.75 = 3,184.45 : x
  2. Step 2: Convert to fraction form
    5,702.13/7,868.75 = 3,184.45/x
  3. Step 3: Cross multiply
    5,702.13x = 7,868.75 × 3,184.45
  4. Step 4: Simplify right side
    5,702.13x = 25,057,605.34
  5. Step 5: Solve for x
    x = 25,057,605.34/5,702.13
  6. Step 6: Final answer
    x = 4,394.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.