Home / 5,260.78-7,259.76-2,903.14

Finding the Fourth Proportional to 5,260.78, 7,259.76 and 2,903.14

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Solution

The fourth proportional to 5,260.78, 7,259.76 and 2,903.14 is: 4,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.78 : 7,259.76 = 2,903.14 : x
  2. Step 2: Convert to fraction form
    5,260.78/7,259.76 = 2,903.14/x
  3. Step 3: Cross multiply
    5,260.78x = 7,259.76 × 2,903.14
  4. Step 4: Simplify right side
    5,260.78x = 21,076,099.65
  5. Step 5: Solve for x
    x = 21,076,099.65/5,260.78
  6. Step 6: Final answer
    x = 4,006.27

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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.