Home / 7,507.45-10,360.68-4,321.23

Finding the Fourth Proportional to 7,507.45, 10,360.68 and 4,321.23

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Solution

The fourth proportional to 7,507.45, 10,360.68 and 4,321.23 is: 5,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.45 : 10,360.68 = 4,321.23 : x
  2. Step 2: Convert to fraction form
    7,507.45/10,360.68 = 4,321.23/x
  3. Step 3: Cross multiply
    7,507.45x = 10,360.68 × 4,321.23
  4. Step 4: Simplify right side
    7,507.45x = 44,770,881.24
  5. Step 5: Solve for x
    x = 44,770,881.24/7,507.45
  6. Step 6: Final answer
    x = 5,963.53

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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.