Home / 6,987.30-10,482.78-2,308.02

Finding the Fourth Proportional to 6,987.30, 10,482.78 and 2,308.02

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Solution

The fourth proportional to 6,987.30, 10,482.78 and 2,308.02 is: 3,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.30 : 10,482.78 = 2,308.02 : x
  2. Step 2: Convert to fraction form
    6,987.30/10,482.78 = 2,308.02/x
  3. Step 3: Cross multiply
    6,987.30x = 10,482.78 × 2,308.02
  4. Step 4: Simplify right side
    6,987.30x = 24,194,465.90
  5. Step 5: Solve for x
    x = 24,194,465.90/6,987.30
  6. Step 6: Final answer
    x = 3,462.63

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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.