Home / 5,298.47-7,311.26-2,940.29

Finding the Fourth Proportional to 5,298.47, 7,311.26 and 2,940.29

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Solution

The fourth proportional to 5,298.47, 7,311.26 and 2,940.29 is: 4,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.47 : 7,311.26 = 2,940.29 : x
  2. Step 2: Convert to fraction form
    5,298.47/7,311.26 = 2,940.29/x
  3. Step 3: Cross multiply
    5,298.47x = 7,311.26 × 2,940.29
  4. Step 4: Simplify right side
    5,298.47x = 21,497,209.96
  5. Step 5: Solve for x
    x = 21,497,209.96/5,298.47
  6. Step 6: Final answer
    x = 4,057.25

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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.