Home / 7,632.75-10,531.96-4,275.70

Finding the Fourth Proportional to 7,632.75, 10,531.96 and 4,275.70

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Solution

The fourth proportional to 7,632.75, 10,531.96 and 4,275.70 is: 5,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.75 : 10,531.96 = 4,275.70 : x
  2. Step 2: Convert to fraction form
    7,632.75/10,531.96 = 4,275.70/x
  3. Step 3: Cross multiply
    7,632.75x = 10,531.96 × 4,275.70
  4. Step 4: Simplify right side
    7,632.75x = 45,031,501.37
  5. Step 5: Solve for x
    x = 45,031,501.37/7,632.75
  6. Step 6: Final answer
    x = 5,899.78

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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.