Home / 2,909.52-4,006.38-2,606.10

Finding the Fourth Proportional to 2,909.52, 4,006.38 and 2,606.10

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Solution

The fourth proportional to 2,909.52, 4,006.38 and 2,606.10 is: 3,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.52 : 4,006.38 = 2,606.10 : x
  2. Step 2: Convert to fraction form
    2,909.52/4,006.38 = 2,606.10/x
  3. Step 3: Cross multiply
    2,909.52x = 4,006.38 × 2,606.10
  4. Step 4: Simplify right side
    2,909.52x = 10,441,026.92
  5. Step 5: Solve for x
    x = 10,441,026.92/2,909.52
  6. Step 6: Final answer
    x = 3,588.57

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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.