Home / 3,577.24-4,931.55-3,085.12

Finding the Fourth Proportional to 3,577.24, 4,931.55 and 3,085.12

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Solution

The fourth proportional to 3,577.24, 4,931.55 and 3,085.12 is: 4,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.24 : 4,931.55 = 3,085.12 : x
  2. Step 2: Convert to fraction form
    3,577.24/4,931.55 = 3,085.12/x
  3. Step 3: Cross multiply
    3,577.24x = 4,931.55 × 3,085.12
  4. Step 4: Simplify right side
    3,577.24x = 15,214,423.54
  5. Step 5: Solve for x
    x = 15,214,423.54/3,577.24
  6. Step 6: Final answer
    x = 4,253.12

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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.