Home / 7,447.37-10,276.70-4,090.14

Finding the Fourth Proportional to 7,447.37, 10,276.70 and 4,090.14

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Solution

The fourth proportional to 7,447.37, 10,276.70 and 4,090.14 is: 5,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.37 : 10,276.70 = 4,090.14 : x
  2. Step 2: Convert to fraction form
    7,447.37/10,276.70 = 4,090.14/x
  3. Step 3: Cross multiply
    7,447.37x = 10,276.70 × 4,090.14
  4. Step 4: Simplify right side
    7,447.37x = 42,033,121.29
  5. Step 5: Solve for x
    x = 42,033,121.29/7,447.37
  6. Step 6: Final answer
    x = 5,644.03

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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.