Home / 4,647.27-6,970.80-1,137.30

Finding the Fourth Proportional to 4,647.27, 6,970.80 and 1,137.30

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Solution

The fourth proportional to 4,647.27, 6,970.80 and 1,137.30 is: 1,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.27 : 6,970.80 = 1,137.30 : x
  2. Step 2: Convert to fraction form
    4,647.27/6,970.80 = 1,137.30/x
  3. Step 3: Cross multiply
    4,647.27x = 6,970.80 × 1,137.30
  4. Step 4: Simplify right side
    4,647.27x = 7,927,890.84
  5. Step 5: Solve for x
    x = 7,927,890.84/4,647.27
  6. Step 6: Final answer
    x = 1,705.92

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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.