Home / 5,631.22-7,770.01-3,534.40

Finding the Fourth Proportional to 5,631.22, 7,770.01 and 3,534.40

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Solution

The fourth proportional to 5,631.22, 7,770.01 and 3,534.40 is: 4,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.22 : 7,770.01 = 3,534.40 : x
  2. Step 2: Convert to fraction form
    5,631.22/7,770.01 = 3,534.40/x
  3. Step 3: Cross multiply
    5,631.22x = 7,770.01 × 3,534.40
  4. Step 4: Simplify right side
    5,631.22x = 27,462,266.82
  5. Step 5: Solve for x
    x = 27,462,266.82/5,631.22
  6. Step 6: Final answer
    x = 4,876.79

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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.