Home / 7,131.71-10,698.28-2,451.10

Finding the Fourth Proportional to 7,131.71, 10,698.28 and 2,451.10

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Solution

The fourth proportional to 7,131.71, 10,698.28 and 2,451.10 is: 3,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.71 : 10,698.28 = 2,451.10 : x
  2. Step 2: Convert to fraction form
    7,131.71/10,698.28 = 2,451.10/x
  3. Step 3: Cross multiply
    7,131.71x = 10,698.28 × 2,451.10
  4. Step 4: Simplify right side
    7,131.71x = 26,222,554.11
  5. Step 5: Solve for x
    x = 26,222,554.11/7,131.71
  6. Step 6: Final answer
    x = 3,676.90

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1.5x scale

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.