Home / 5,273.84-7,277.28-2,915.84

Finding the Fourth Proportional to 5,273.84, 7,277.28 and 2,915.84

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Solution

The fourth proportional to 5,273.84, 7,277.28 and 2,915.84 is: 4,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.84 : 7,277.28 = 2,915.84 : x
  2. Step 2: Convert to fraction form
    5,273.84/7,277.28 = 2,915.84/x
  3. Step 3: Cross multiply
    5,273.84x = 7,277.28 × 2,915.84
  4. Step 4: Simplify right side
    5,273.84x = 21,219,384.12
  5. Step 5: Solve for x
    x = 21,219,384.12/5,273.84
  6. Step 6: Final answer
    x = 4,023.52

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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.