Home / 5,022.81-6,931.44-2,784.84

Finding the Fourth Proportional to 5,022.81, 6,931.44 and 2,784.84

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Solution

The fourth proportional to 5,022.81, 6,931.44 and 2,784.84 is: 3,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.81 : 6,931.44 = 2,784.84 : x
  2. Step 2: Convert to fraction form
    5,022.81/6,931.44 = 2,784.84/x
  3. Step 3: Cross multiply
    5,022.81x = 6,931.44 × 2,784.84
  4. Step 4: Simplify right side
    5,022.81x = 19,302,951.37
  5. Step 5: Solve for x
    x = 19,302,951.37/5,022.81
  6. Step 6: Final answer
    x = 3,843.06

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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.