Home / 3,749.55-5,176.58-2,572.35

Finding the Fourth Proportional to 3,749.55, 5,176.58 and 2,572.35

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Solution

The fourth proportional to 3,749.55, 5,176.58 and 2,572.35 is: 3,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.55 : 5,176.58 = 2,572.35 : x
  2. Step 2: Convert to fraction form
    3,749.55/5,176.58 = 2,572.35/x
  3. Step 3: Cross multiply
    3,749.55x = 5,176.58 × 2,572.35
  4. Step 4: Simplify right side
    3,749.55x = 13,315,956.11
  5. Step 5: Solve for x
    x = 13,315,956.11/3,749.55
  6. Step 6: Final answer
    x = 3,551.35

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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.