Home / 7,447.19-10,277.06-4,090.06

Finding the Fourth Proportional to 7,447.19, 10,277.06 and 4,090.06

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Solution

The fourth proportional to 7,447.19, 10,277.06 and 4,090.06 is: 5,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.19 : 10,277.06 = 4,090.06 : x
  2. Step 2: Convert to fraction form
    7,447.19/10,277.06 = 4,090.06/x
  3. Step 3: Cross multiply
    7,447.19x = 10,277.06 × 4,090.06
  4. Step 4: Simplify right side
    7,447.19x = 42,033,776.56
  5. Step 5: Solve for x
    x = 42,033,776.56/7,447.19
  6. Step 6: Final answer
    x = 5,644.24

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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.