Home / 5,479.87-7,554.84-3,588.18

Finding the Fourth Proportional to 5,479.87, 7,554.84 and 3,588.18

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Solution

The fourth proportional to 5,479.87, 7,554.84 and 3,588.18 is: 4,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.87 : 7,554.84 = 3,588.18 : x
  2. Step 2: Convert to fraction form
    5,479.87/7,554.84 = 3,588.18/x
  3. Step 3: Cross multiply
    5,479.87x = 7,554.84 × 3,588.18
  4. Step 4: Simplify right side
    5,479.87x = 27,108,125.79
  5. Step 5: Solve for x
    x = 27,108,125.79/5,479.87
  6. Step 6: Final answer
    x = 4,946.86

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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.