Home / 5,778.07-8,681.37-3,698.98

Finding the Fourth Proportional to 5,778.07, 8,681.37 and 3,698.98

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Solution

The fourth proportional to 5,778.07, 8,681.37 and 3,698.98 is: 5,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.07 : 8,681.37 = 3,698.98 : x
  2. Step 2: Convert to fraction form
    5,778.07/8,681.37 = 3,698.98/x
  3. Step 3: Cross multiply
    5,778.07x = 8,681.37 × 3,698.98
  4. Step 4: Simplify right side
    5,778.07x = 32,112,214.00
  5. Step 5: Solve for x
    x = 32,112,214.00/5,778.07
  6. Step 6: Final answer
    x = 5,557.60

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1.5x scale

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.