Home / 7,090.64-10,632.72-2,472.56

Finding the Fourth Proportional to 7,090.64, 10,632.72 and 2,472.56

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Solution

The fourth proportional to 7,090.64, 10,632.72 and 2,472.56 is: 3,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.64 : 10,632.72 = 2,472.56 : x
  2. Step 2: Convert to fraction form
    7,090.64/10,632.72 = 2,472.56/x
  3. Step 3: Cross multiply
    7,090.64x = 10,632.72 × 2,472.56
  4. Step 4: Simplify right side
    7,090.64x = 26,290,038.16
  5. Step 5: Solve for x
    x = 26,290,038.16/7,090.64
  6. Step 6: Final answer
    x = 3,707.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.