Home / 5,474.07-7,555.40-3,484.20

Finding the Fourth Proportional to 5,474.07, 7,555.40 and 3,484.20

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Solution

The fourth proportional to 5,474.07, 7,555.40 and 3,484.20 is: 4,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.07 : 7,555.40 = 3,484.20 : x
  2. Step 2: Convert to fraction form
    5,474.07/7,555.40 = 3,484.20/x
  3. Step 3: Cross multiply
    5,474.07x = 7,555.40 × 3,484.20
  4. Step 4: Simplify right side
    5,474.07x = 26,324,507.26
  5. Step 5: Solve for x
    x = 26,324,507.26/5,474.07
  6. Step 6: Final answer
    x = 4,808.95

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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.