Home / 5,201.16-7,803.10-1,869.74

Finding the Fourth Proportional to 5,201.16, 7,803.10 and 1,869.74

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Solution

The fourth proportional to 5,201.16, 7,803.10 and 1,869.74 is: 2,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.16 : 7,803.10 = 1,869.74 : x
  2. Step 2: Convert to fraction form
    5,201.16/7,803.10 = 1,869.74/x
  3. Step 3: Cross multiply
    5,201.16x = 7,803.10 × 1,869.74
  4. Step 4: Simplify right side
    5,201.16x = 14,589,763.52
  5. Step 5: Solve for x
    x = 14,589,763.52/5,201.16
  6. Step 6: Final answer
    x = 2,805.10

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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.