Home / 5,554.40-7,665.10-3,036.47

Finding the Fourth Proportional to 5,554.40, 7,665.10 and 3,036.47

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Solution

The fourth proportional to 5,554.40, 7,665.10 and 3,036.47 is: 4,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.40 : 7,665.10 = 3,036.47 : x
  2. Step 2: Convert to fraction form
    5,554.40/7,665.10 = 3,036.47/x
  3. Step 3: Cross multiply
    5,554.40x = 7,665.10 × 3,036.47
  4. Step 4: Simplify right side
    5,554.40x = 23,274,846.20
  5. Step 5: Solve for x
    x = 23,274,846.20/5,554.40
  6. Step 6: Final answer
    x = 4,190.34

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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.