Home / 3,407.86-4,703.36-2,082.34

Finding the Fourth Proportional to 3,407.86, 4,703.36 and 2,082.34

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Solution

The fourth proportional to 3,407.86, 4,703.36 and 2,082.34 is: 2,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.86 : 4,703.36 = 2,082.34 : x
  2. Step 2: Convert to fraction form
    3,407.86/4,703.36 = 2,082.34/x
  3. Step 3: Cross multiply
    3,407.86x = 4,703.36 × 2,082.34
  4. Step 4: Simplify right side
    3,407.86x = 9,793,994.66
  5. Step 5: Solve for x
    x = 9,793,994.66/3,407.86
  6. Step 6: Final answer
    x = 2,873.94

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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.