Home / 4,583.75-6,875.76-1,121

Finding the Fourth Proportional to 4,583.75, 6,875.76 and 1,121

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Solution

The fourth proportional to 4,583.75, 6,875.76 and 1,121 is: 1,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,583.75 : 6,875.76 = 1,121 : x
  2. Step 2: Convert to fraction form
    4,583.75/6,875.76 = 1,121/x
  3. Step 3: Cross multiply
    4,583.75x = 6,875.76 × 1,121
  4. Step 4: Simplify right side
    4,583.75x = 7,707,726.96
  5. Step 5: Solve for x
    x = 7,707,726.96/4,583.75
  6. Step 6: Final answer
    x = 1,681.53

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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.