Home / 5,632.80-7,773.12-3,275.34

Finding the Fourth Proportional to 5,632.80, 7,773.12 and 3,275.34

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Solution

The fourth proportional to 5,632.80, 7,773.12 and 3,275.34 is: 4,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.80 : 7,773.12 = 3,275.34 : x
  2. Step 2: Convert to fraction form
    5,632.80/7,773.12 = 3,275.34/x
  3. Step 3: Cross multiply
    5,632.80x = 7,773.12 × 3,275.34
  4. Step 4: Simplify right side
    5,632.80x = 25,459,610.86
  5. Step 5: Solve for x
    x = 25,459,610.86/5,632.80
  6. Step 6: Final answer
    x = 4,519.89

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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.