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Finding the Fourth Proportional to 5,013.90, 7,506.27 and 3,721.14

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Solution

The fourth proportional to 5,013.90, 7,506.27 and 3,721.14 is: 5,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.90 : 7,506.27 = 3,721.14 : x
  2. Step 2: Convert to fraction form
    5,013.90/7,506.27 = 3,721.14/x
  3. Step 3: Cross multiply
    5,013.90x = 7,506.27 × 3,721.14
  4. Step 4: Simplify right side
    5,013.90x = 27,931,881.55
  5. Step 5: Solve for x
    x = 27,931,881.55/5,013.90
  6. Step 6: Final answer
    x = 5,570.89

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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.