Home / 3,407.42-4,700.34-2,345.06

Finding the Fourth Proportional to 3,407.42, 4,700.34 and 2,345.06

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Solution

The fourth proportional to 3,407.42, 4,700.34 and 2,345.06 is: 3,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.42 : 4,700.34 = 2,345.06 : x
  2. Step 2: Convert to fraction form
    3,407.42/4,700.34 = 2,345.06/x
  3. Step 3: Cross multiply
    3,407.42x = 4,700.34 × 2,345.06
  4. Step 4: Simplify right side
    3,407.42x = 11,022,579.32
  5. Step 5: Solve for x
    x = 11,022,579.32/3,407.42
  6. Step 6: Final answer
    x = 3,234.88

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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.