Home / 4,008.50-5,529.80-2,515.68

Finding the Fourth Proportional to 4,008.50, 5,529.80 and 2,515.68

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Solution

The fourth proportional to 4,008.50, 5,529.80 and 2,515.68 is: 3,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.50 : 5,529.80 = 2,515.68 : x
  2. Step 2: Convert to fraction form
    4,008.50/5,529.80 = 2,515.68/x
  3. Step 3: Cross multiply
    4,008.50x = 5,529.80 × 2,515.68
  4. Step 4: Simplify right side
    4,008.50x = 13,911,207.26
  5. Step 5: Solve for x
    x = 13,911,207.26/4,008.50
  6. Step 6: Final answer
    x = 3,470.43

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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.