Home / 3,012.13-4,156.68-1,753.93

Finding the Fourth Proportional to 3,012.13, 4,156.68 and 1,753.93

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Solution

The fourth proportional to 3,012.13, 4,156.68 and 1,753.93 is: 2,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.13 : 4,156.68 = 1,753.93 : x
  2. Step 2: Convert to fraction form
    3,012.13/4,156.68 = 1,753.93/x
  3. Step 3: Cross multiply
    3,012.13x = 4,156.68 × 1,753.93
  4. Step 4: Simplify right side
    3,012.13x = 7,290,525.75
  5. Step 5: Solve for x
    x = 7,290,525.75/3,012.13
  6. Step 6: Final answer
    x = 2,420.39

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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.