Home / 5,038.67-7,555.53-2,114.21

Finding the Fourth Proportional to 5,038.67, 7,555.53 and 2,114.21

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Solution

The fourth proportional to 5,038.67, 7,555.53 and 2,114.21 is: 3,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.67 : 7,555.53 = 2,114.21 : x
  2. Step 2: Convert to fraction form
    5,038.67/7,555.53 = 2,114.21/x
  3. Step 3: Cross multiply
    5,038.67x = 7,555.53 × 2,114.21
  4. Step 4: Simplify right side
    5,038.67x = 15,973,977.08
  5. Step 5: Solve for x
    x = 15,973,977.08/5,038.67
  6. Step 6: Final answer
    x = 3,170.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.