Home / 3,302.03-4,918.63-3,126.72

Finding the Fourth Proportional to 3,302.03, 4,918.63 and 3,126.72

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Solution

The fourth proportional to 3,302.03, 4,918.63 and 3,126.72 is: 4,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.03 : 4,918.63 = 3,126.72 : x
  2. Step 2: Convert to fraction form
    3,302.03/4,918.63 = 3,126.72/x
  3. Step 3: Cross multiply
    3,302.03x = 4,918.63 × 3,126.72
  4. Step 4: Simplify right side
    3,302.03x = 15,379,198.91
  5. Step 5: Solve for x
    x = 15,379,198.91/3,302.03
  6. Step 6: Final answer
    x = 4,657.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.