Home / 7,003.75-10,507.43-2,386.75

Finding the Fourth Proportional to 7,003.75, 10,507.43 and 2,386.75

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Solution

The fourth proportional to 7,003.75, 10,507.43 and 2,386.75 is: 3,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.75 : 10,507.43 = 2,386.75 : x
  2. Step 2: Convert to fraction form
    7,003.75/10,507.43 = 2,386.75/x
  3. Step 3: Cross multiply
    7,003.75x = 10,507.43 × 2,386.75
  4. Step 4: Simplify right side
    7,003.75x = 25,078,608.55
  5. Step 5: Solve for x
    x = 25,078,608.55/7,003.75
  6. Step 6: Final answer
    x = 3,580.74

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1.5x scale

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.