Home / 5,328.04-7,987.40-2,206.08

Finding the Fourth Proportional to 5,328.04, 7,987.40 and 2,206.08

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Solution

The fourth proportional to 5,328.04, 7,987.40 and 2,206.08 is: 3,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.04 : 7,987.40 = 2,206.08 : x
  2. Step 2: Convert to fraction form
    5,328.04/7,987.40 = 2,206.08/x
  3. Step 3: Cross multiply
    5,328.04x = 7,987.40 × 2,206.08
  4. Step 4: Simplify right side
    5,328.04x = 17,620,843.39
  5. Step 5: Solve for x
    x = 17,620,843.39/5,328.04
  6. Step 6: Final answer
    x = 3,307.19

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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.