Home / 3,259.08-4,495.48-2,140.08

Finding the Fourth Proportional to 3,259.08, 4,495.48 and 2,140.08

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Solution

The fourth proportional to 3,259.08, 4,495.48 and 2,140.08 is: 2,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.08 : 4,495.48 = 2,140.08 : x
  2. Step 2: Convert to fraction form
    3,259.08/4,495.48 = 2,140.08/x
  3. Step 3: Cross multiply
    3,259.08x = 4,495.48 × 2,140.08
  4. Step 4: Simplify right side
    3,259.08x = 9,620,686.84
  5. Step 5: Solve for x
    x = 9,620,686.84/3,259.08
  6. Step 6: Final answer
    x = 2,951.96

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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.