Home / 3,471.55-4,785.75-2,475.10

Finding the Fourth Proportional to 3,471.55, 4,785.75 and 2,475.10

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Solution

The fourth proportional to 3,471.55, 4,785.75 and 2,475.10 is: 3,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.55 : 4,785.75 = 2,475.10 : x
  2. Step 2: Convert to fraction form
    3,471.55/4,785.75 = 2,475.10/x
  3. Step 3: Cross multiply
    3,471.55x = 4,785.75 × 2,475.10
  4. Step 4: Simplify right side
    3,471.55x = 11,845,197.86
  5. Step 5: Solve for x
    x = 11,845,197.86/3,471.55
  6. Step 6: Final answer
    x = 3,412.08

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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.