Home / 7,002.90-10,506.59-2,072.57

Finding the Fourth Proportional to 7,002.90, 10,506.59 and 2,072.57

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Solution

The fourth proportional to 7,002.90, 10,506.59 and 2,072.57 is: 3,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.90 : 10,506.59 = 2,072.57 : x
  2. Step 2: Convert to fraction form
    7,002.90/10,506.59 = 2,072.57/x
  3. Step 3: Cross multiply
    7,002.90x = 10,506.59 × 2,072.57
  4. Step 4: Simplify right side
    7,002.90x = 21,775,580.34
  5. Step 5: Solve for x
    x = 21,775,580.34/7,002.90
  6. Step 6: Final answer
    x = 3,109.51

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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.