Home / 5,219.04-7,829.40-1,708.02

Finding the Fourth Proportional to 5,219.04, 7,829.40 and 1,708.02

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Solution

The fourth proportional to 5,219.04, 7,829.40 and 1,708.02 is: 2,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.04 : 7,829.40 = 1,708.02 : x
  2. Step 2: Convert to fraction form
    5,219.04/7,829.40 = 1,708.02/x
  3. Step 3: Cross multiply
    5,219.04x = 7,829.40 × 1,708.02
  4. Step 4: Simplify right side
    5,219.04x = 13,372,771.79
  5. Step 5: Solve for x
    x = 13,372,771.79/5,219.04
  6. Step 6: Final answer
    x = 2,562.30

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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.