Home / 3,546.16-5,319.23-1,206.40

Finding the Fourth Proportional to 3,546.16, 5,319.23 and 1,206.40

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Solution

The fourth proportional to 3,546.16, 5,319.23 and 1,206.40 is: 1,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.16 : 5,319.23 = 1,206.40 : x
  2. Step 2: Convert to fraction form
    3,546.16/5,319.23 = 1,206.40/x
  3. Step 3: Cross multiply
    3,546.16x = 5,319.23 × 1,206.40
  4. Step 4: Simplify right side
    3,546.16x = 6,417,119.07
  5. Step 5: Solve for x
    x = 6,417,119.07/3,546.16
  6. Step 6: Final answer
    x = 1,809.60

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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.