Home / 3,412.20-4,711.14-2,528.04

Finding the Fourth Proportional to 3,412.20, 4,711.14 and 2,528.04

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Solution

The fourth proportional to 3,412.20, 4,711.14 and 2,528.04 is: 3,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.20 : 4,711.14 = 2,528.04 : x
  2. Step 2: Convert to fraction form
    3,412.20/4,711.14 = 2,528.04/x
  3. Step 3: Cross multiply
    3,412.20x = 4,711.14 × 2,528.04
  4. Step 4: Simplify right side
    3,412.20x = 11,909,950.37
  5. Step 5: Solve for x
    x = 11,909,950.37/3,412.20
  6. Step 6: Final answer
    x = 3,490.40

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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.