Home / 5,814.78-8,722.37-1,655.02

Finding the Fourth Proportional to 5,814.78, 8,722.37 and 1,655.02

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Solution

The fourth proportional to 5,814.78, 8,722.37 and 1,655.02 is: 2,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.78 : 8,722.37 = 1,655.02 : x
  2. Step 2: Convert to fraction form
    5,814.78/8,722.37 = 1,655.02/x
  3. Step 3: Cross multiply
    5,814.78x = 8,722.37 × 1,655.02
  4. Step 4: Simplify right side
    5,814.78x = 14,435,696.80
  5. Step 5: Solve for x
    x = 14,435,696.80/5,814.78
  6. Step 6: Final answer
    x = 2,482.59

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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.