Home / 4,507.79-6,220.20-2,518.28

Finding the Fourth Proportional to 4,507.79, 6,220.20 and 2,518.28

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Solution

The fourth proportional to 4,507.79, 6,220.20 and 2,518.28 is: 3,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.79 : 6,220.20 = 2,518.28 : x
  2. Step 2: Convert to fraction form
    4,507.79/6,220.20 = 2,518.28/x
  3. Step 3: Cross multiply
    4,507.79x = 6,220.20 × 2,518.28
  4. Step 4: Simplify right side
    4,507.79x = 15,664,205.26
  5. Step 5: Solve for x
    x = 15,664,205.26/4,507.79
  6. Step 6: Final answer
    x = 3,474.92

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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.