Home / 7,555.92-10,427.66-4,571.88

Finding the Fourth Proportional to 7,555.92, 10,427.66 and 4,571.88

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Solution

The fourth proportional to 7,555.92, 10,427.66 and 4,571.88 is: 6,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.92 : 10,427.66 = 4,571.88 : x
  2. Step 2: Convert to fraction form
    7,555.92/10,427.66 = 4,571.88/x
  3. Step 3: Cross multiply
    7,555.92x = 10,427.66 × 4,571.88
  4. Step 4: Simplify right side
    7,555.92x = 47,674,010.20
  5. Step 5: Solve for x
    x = 47,674,010.20/7,555.92
  6. Step 6: Final answer
    x = 6,309.49

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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.