Home / 5,273.05-7,276.29-2,915.05

Finding the Fourth Proportional to 5,273.05, 7,276.29 and 2,915.05

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Solution

The fourth proportional to 5,273.05, 7,276.29 and 2,915.05 is: 4,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.05 : 7,276.29 = 2,915.05 : x
  2. Step 2: Convert to fraction form
    5,273.05/7,276.29 = 2,915.05/x
  3. Step 3: Cross multiply
    5,273.05x = 7,276.29 × 2,915.05
  4. Step 4: Simplify right side
    5,273.05x = 21,210,749.16
  5. Step 5: Solve for x
    x = 21,210,749.16/5,273.05
  6. Step 6: Final answer
    x = 4,022.48

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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.