Home / 5,475.36-7,554.15-3,115.83

Finding the Fourth Proportional to 5,475.36, 7,554.15 and 3,115.83

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Solution

The fourth proportional to 5,475.36, 7,554.15 and 3,115.83 is: 4,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.36 : 7,554.15 = 3,115.83 : x
  2. Step 2: Convert to fraction form
    5,475.36/7,554.15 = 3,115.83/x
  3. Step 3: Cross multiply
    5,475.36x = 7,554.15 × 3,115.83
  4. Step 4: Simplify right side
    5,475.36x = 23,537,447.19
  5. Step 5: Solve for x
    x = 23,537,447.19/5,475.36
  6. Step 6: Final answer
    x = 4,298.79

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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.