Home / 5,116.79-7,674.50-1,829.45

Finding the Fourth Proportional to 5,116.79, 7,674.50 and 1,829.45

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Solution

The fourth proportional to 5,116.79, 7,674.50 and 1,829.45 is: 2,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.79 : 7,674.50 = 1,829.45 : x
  2. Step 2: Convert to fraction form
    5,116.79/7,674.50 = 1,829.45/x
  3. Step 3: Cross multiply
    5,116.79x = 7,674.50 × 1,829.45
  4. Step 4: Simplify right side
    5,116.79x = 14,040,066.51
  5. Step 5: Solve for x
    x = 14,040,066.51/5,116.79
  6. Step 6: Final answer
    x = 2,743.92

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1.5x scale

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.