Home / 5,022.80-6,931.52-2,784.73

Finding the Fourth Proportional to 5,022.80, 6,931.52 and 2,784.73

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Solution

The fourth proportional to 5,022.80, 6,931.52 and 2,784.73 is: 3,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.80 : 6,931.52 = 2,784.73 : x
  2. Step 2: Convert to fraction form
    5,022.80/6,931.52 = 2,784.73/x
  3. Step 3: Cross multiply
    5,022.80x = 6,931.52 × 2,784.73
  4. Step 4: Simplify right side
    5,022.80x = 19,302,411.69
  5. Step 5: Solve for x
    x = 19,302,411.69/5,022.80
  6. Step 6: Final answer
    x = 3,842.96

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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.