Home / 7,001.45-10,499.88-2,558.09

Finding the Fourth Proportional to 7,001.45, 10,499.88 and 2,558.09

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Solution

The fourth proportional to 7,001.45, 10,499.88 and 2,558.09 is: 3,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.45 : 10,499.88 = 2,558.09 : x
  2. Step 2: Convert to fraction form
    7,001.45/10,499.88 = 2,558.09/x
  3. Step 3: Cross multiply
    7,001.45x = 10,499.88 × 2,558.09
  4. Step 4: Simplify right side
    7,001.45x = 26,859,585.53
  5. Step 5: Solve for x
    x = 26,859,585.53/7,001.45
  6. Step 6: Final answer
    x = 3,836.29

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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.