Home / 5,830.12-8,045.36-3,177.47

Finding the Fourth Proportional to 5,830.12, 8,045.36 and 3,177.47

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Solution

The fourth proportional to 5,830.12, 8,045.36 and 3,177.47 is: 4,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.12 : 8,045.36 = 3,177.47 : x
  2. Step 2: Convert to fraction form
    5,830.12/8,045.36 = 3,177.47/x
  3. Step 3: Cross multiply
    5,830.12x = 8,045.36 × 3,177.47
  4. Step 4: Simplify right side
    5,830.12x = 25,563,874.15
  5. Step 5: Solve for x
    x = 25,563,874.15/5,830.12
  6. Step 6: Final answer
    x = 4,384.80

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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.