Home / 7,300.11-10,064.21-5,310.75

Finding the Fourth Proportional to 7,300.11, 10,064.21 and 5,310.75

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Solution

The fourth proportional to 7,300.11, 10,064.21 and 5,310.75 is: 7,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.11 : 10,064.21 = 5,310.75 : x
  2. Step 2: Convert to fraction form
    7,300.11/10,064.21 = 5,310.75/x
  3. Step 3: Cross multiply
    7,300.11x = 10,064.21 × 5,310.75
  4. Step 4: Simplify right side
    7,300.11x = 53,448,476.70
  5. Step 5: Solve for x
    x = 53,448,476.70/7,300.11
  6. Step 6: Final answer
    x = 7,321.60

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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.