Home / 4,038.55-5,572.90-2,270.42

Finding the Fourth Proportional to 4,038.55, 5,572.90 and 2,270.42

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Solution

The fourth proportional to 4,038.55, 5,572.90 and 2,270.42 is: 3,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.55 : 5,572.90 = 2,270.42 : x
  2. Step 2: Convert to fraction form
    4,038.55/5,572.90 = 2,270.42/x
  3. Step 3: Cross multiply
    4,038.55x = 5,572.90 × 2,270.42
  4. Step 4: Simplify right side
    4,038.55x = 12,652,795.75
  5. Step 5: Solve for x
    x = 12,652,795.75/4,038.55
  6. Step 6: Final answer
    x = 3,133.01

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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.