Home / 3,421.17-4,709.61-2,535.30

Finding the Fourth Proportional to 3,421.17, 4,709.61 and 2,535.30

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Solution

The fourth proportional to 3,421.17, 4,709.61 and 2,535.30 is: 3,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.17 : 4,709.61 = 2,535.30 : x
  2. Step 2: Convert to fraction form
    3,421.17/4,709.61 = 2,535.30/x
  3. Step 3: Cross multiply
    3,421.17x = 4,709.61 × 2,535.30
  4. Step 4: Simplify right side
    3,421.17x = 11,940,274.23
  5. Step 5: Solve for x
    x = 11,940,274.23/3,421.17
  6. Step 6: Final answer
    x = 3,490.11

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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.