Home / 5,602.14-7,731.68-3,618.45

Finding the Fourth Proportional to 5,602.14, 7,731.68 and 3,618.45

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Solution

The fourth proportional to 5,602.14, 7,731.68 and 3,618.45 is: 4,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.14 : 7,731.68 = 3,618.45 : x
  2. Step 2: Convert to fraction form
    5,602.14/7,731.68 = 3,618.45/x
  3. Step 3: Cross multiply
    5,602.14x = 7,731.68 × 3,618.45
  4. Step 4: Simplify right side
    5,602.14x = 27,976,679.40
  5. Step 5: Solve for x
    x = 27,976,679.40/5,602.14
  6. Step 6: Final answer
    x = 4,993.93

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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.