Home / 5,022.50-6,931.21-2,784.58

Finding the Fourth Proportional to 5,022.50, 6,931.21 and 2,784.58

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Solution

The fourth proportional to 5,022.50, 6,931.21 and 2,784.58 is: 3,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.50 : 6,931.21 = 2,784.58 : x
  2. Step 2: Convert to fraction form
    5,022.50/6,931.21 = 2,784.58/x
  3. Step 3: Cross multiply
    5,022.50x = 6,931.21 × 2,784.58
  4. Step 4: Simplify right side
    5,022.50x = 19,300,512.09
  5. Step 5: Solve for x
    x = 19,300,512.09/5,022.50
  6. Step 6: Final answer
    x = 3,842.81

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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.