Home / 5,125.16-7,688.76-1,837.38

Finding the Fourth Proportional to 5,125.16, 7,688.76 and 1,837.38

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Solution

The fourth proportional to 5,125.16, 7,688.76 and 1,837.38 is: 2,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.16 : 7,688.76 = 1,837.38 : x
  2. Step 2: Convert to fraction form
    5,125.16/7,688.76 = 1,837.38/x
  3. Step 3: Cross multiply
    5,125.16x = 7,688.76 × 1,837.38
  4. Step 4: Simplify right side
    5,125.16x = 14,127,173.85
  5. Step 5: Solve for x
    x = 14,127,173.85/5,125.16
  6. Step 6: Final answer
    x = 2,756.44

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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.