Home / 5,225.11-7,840.35-3,471.32

Finding the Fourth Proportional to 5,225.11, 7,840.35 and 3,471.32

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Solution

The fourth proportional to 5,225.11, 7,840.35 and 3,471.32 is: 5,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.11 : 7,840.35 = 3,471.32 : x
  2. Step 2: Convert to fraction form
    5,225.11/7,840.35 = 3,471.32/x
  3. Step 3: Cross multiply
    5,225.11x = 7,840.35 × 3,471.32
  4. Step 4: Simplify right side
    5,225.11x = 27,216,383.36
  5. Step 5: Solve for x
    x = 27,216,383.36/5,225.11
  6. Step 6: Final answer
    x = 5,208.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.