Home / 3,307.03-4,563.85-1,980.48

Finding the Fourth Proportional to 3,307.03, 4,563.85 and 1,980.48

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Solution

The fourth proportional to 3,307.03, 4,563.85 and 1,980.48 is: 2,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.03 : 4,563.85 = 1,980.48 : x
  2. Step 2: Convert to fraction form
    3,307.03/4,563.85 = 1,980.48/x
  3. Step 3: Cross multiply
    3,307.03x = 4,563.85 × 1,980.48
  4. Step 4: Simplify right side
    3,307.03x = 9,038,620.11
  5. Step 5: Solve for x
    x = 9,038,620.11/3,307.03
  6. Step 6: Final answer
    x = 2,733.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.