Home / 3,548.12-5,320.14-1,207.36

Finding the Fourth Proportional to 3,548.12, 5,320.14 and 1,207.36

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Solution

The fourth proportional to 3,548.12, 5,320.14 and 1,207.36 is: 1,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.12 : 5,320.14 = 1,207.36 : x
  2. Step 2: Convert to fraction form
    3,548.12/5,320.14 = 1,207.36/x
  3. Step 3: Cross multiply
    3,548.12x = 5,320.14 × 1,207.36
  4. Step 4: Simplify right side
    3,548.12x = 6,423,324.23
  5. Step 5: Solve for x
    x = 6,423,324.23/3,548.12
  6. Step 6: Final answer
    x = 1,810.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.