Home / 3,595.30-4,961.63-1,980.14

Finding the Fourth Proportional to 3,595.30, 4,961.63 and 1,980.14

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Solution

The fourth proportional to 3,595.30, 4,961.63 and 1,980.14 is: 2,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.30 : 4,961.63 = 1,980.14 : x
  2. Step 2: Convert to fraction form
    3,595.30/4,961.63 = 1,980.14/x
  3. Step 3: Cross multiply
    3,595.30x = 4,961.63 × 1,980.14
  4. Step 4: Simplify right side
    3,595.30x = 9,824,702.17
  5. Step 5: Solve for x
    x = 9,824,702.17/3,595.30
  6. Step 6: Final answer
    x = 2,732.65

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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.