Home / 7,501.20-10,351.67-4,144.20

Finding the Fourth Proportional to 7,501.20, 10,351.67 and 4,144.20

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Solution

The fourth proportional to 7,501.20, 10,351.67 and 4,144.20 is: 5,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.20 : 10,351.67 = 4,144.20 : x
  2. Step 2: Convert to fraction form
    7,501.20/10,351.67 = 4,144.20/x
  3. Step 3: Cross multiply
    7,501.20x = 10,351.67 × 4,144.20
  4. Step 4: Simplify right side
    7,501.20x = 42,899,370.09
  5. Step 5: Solve for x
    x = 42,899,370.09/7,501.20
  6. Step 6: Final answer
    x = 5,719.00

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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.