Home / 5,474.75-7,547.24-3,900.11

Finding the Fourth Proportional to 5,474.75, 7,547.24 and 3,900.11

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Solution

The fourth proportional to 5,474.75, 7,547.24 and 3,900.11 is: 5,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.75 : 7,547.24 = 3,900.11 : x
  2. Step 2: Convert to fraction form
    5,474.75/7,547.24 = 3,900.11/x
  3. Step 3: Cross multiply
    5,474.75x = 7,547.24 × 3,900.11
  4. Step 4: Simplify right side
    5,474.75x = 29,435,038.21
  5. Step 5: Solve for x
    x = 29,435,038.21/5,474.75
  6. Step 6: Final answer
    x = 5,376.51

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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.