Home / 5,531.14-7,610.34-4,782.70

Finding the Fourth Proportional to 5,531.14, 7,610.34 and 4,782.70

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Solution

The fourth proportional to 5,531.14, 7,610.34 and 4,782.70 is: 6,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.14 : 7,610.34 = 4,782.70 : x
  2. Step 2: Convert to fraction form
    5,531.14/7,610.34 = 4,782.70/x
  3. Step 3: Cross multiply
    5,531.14x = 7,610.34 × 4,782.70
  4. Step 4: Simplify right side
    5,531.14x = 36,397,973.12
  5. Step 5: Solve for x
    x = 36,397,973.12/5,531.14
  6. Step 6: Final answer
    x = 6,580.56

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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.