Home / 4,507.65-6,220.53-2,518.21

Finding the Fourth Proportional to 4,507.65, 6,220.53 and 2,518.21

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Solution

The fourth proportional to 4,507.65, 6,220.53 and 2,518.21 is: 3,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.65 : 6,220.53 = 2,518.21 : x
  2. Step 2: Convert to fraction form
    4,507.65/6,220.53 = 2,518.21/x
  3. Step 3: Cross multiply
    4,507.65x = 6,220.53 × 2,518.21
  4. Step 4: Simplify right side
    4,507.65x = 15,664,600.85
  5. Step 5: Solve for x
    x = 15,664,600.85/4,507.65
  6. Step 6: Final answer
    x = 3,475.11

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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.