Home / 3,451.01-4,762.40-1,879.07

Finding the Fourth Proportional to 3,451.01, 4,762.40 and 1,879.07

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Solution

The fourth proportional to 3,451.01, 4,762.40 and 1,879.07 is: 2,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.01 : 4,762.40 = 1,879.07 : x
  2. Step 2: Convert to fraction form
    3,451.01/4,762.40 = 1,879.07/x
  3. Step 3: Cross multiply
    3,451.01x = 4,762.40 × 1,879.07
  4. Step 4: Simplify right side
    3,451.01x = 8,948,849.76
  5. Step 5: Solve for x
    x = 8,948,849.76/3,451.01
  6. Step 6: Final answer
    x = 2,593.11

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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.