Home / 5,062.96-6,986.70-2,824.80

Finding the Fourth Proportional to 5,062.96, 6,986.70 and 2,824.80

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Solution

The fourth proportional to 5,062.96, 6,986.70 and 2,824.80 is: 3,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.96 : 6,986.70 = 2,824.80 : x
  2. Step 2: Convert to fraction form
    5,062.96/6,986.70 = 2,824.80/x
  3. Step 3: Cross multiply
    5,062.96x = 6,986.70 × 2,824.80
  4. Step 4: Simplify right side
    5,062.96x = 19,736,030.16
  5. Step 5: Solve for x
    x = 19,736,030.16/5,062.96
  6. Step 6: Final answer
    x = 3,898.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.