Home / 5,011.28-6,915.72-2,773.52

Finding the Fourth Proportional to 5,011.28, 6,915.72 and 2,773.52

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Solution

The fourth proportional to 5,011.28, 6,915.72 and 2,773.52 is: 3,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.28 : 6,915.72 = 2,773.52 : x
  2. Step 2: Convert to fraction form
    5,011.28/6,915.72 = 2,773.52/x
  3. Step 3: Cross multiply
    5,011.28x = 6,915.72 × 2,773.52
  4. Step 4: Simplify right side
    5,011.28x = 19,180,887.73
  5. Step 5: Solve for x
    x = 19,180,887.73/5,011.28
  6. Step 6: Final answer
    x = 3,827.54

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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.