Home / 5,631.76-7,770.36-4,515.04

Finding the Fourth Proportional to 5,631.76, 7,770.36 and 4,515.04

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Solution

The fourth proportional to 5,631.76, 7,770.36 and 4,515.04 is: 6,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.76 : 7,770.36 = 4,515.04 : x
  2. Step 2: Convert to fraction form
    5,631.76/7,770.36 = 4,515.04/x
  3. Step 3: Cross multiply
    5,631.76x = 7,770.36 × 4,515.04
  4. Step 4: Simplify right side
    5,631.76x = 35,083,486.21
  5. Step 5: Solve for x
    x = 35,083,486.21/5,631.76
  6. Step 6: Final answer
    x = 6,229.58

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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.