Home / 2,636.59-3,630.45-2,303.08

Finding the Fourth Proportional to 2,636.59, 3,630.45 and 2,303.08

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Solution

The fourth proportional to 2,636.59, 3,630.45 and 2,303.08 is: 3,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.59 : 3,630.45 = 2,303.08 : x
  2. Step 2: Convert to fraction form
    2,636.59/3,630.45 = 2,303.08/x
  3. Step 3: Cross multiply
    2,636.59x = 3,630.45 × 2,303.08
  4. Step 4: Simplify right side
    2,636.59x = 8,361,216.79
  5. Step 5: Solve for x
    x = 8,361,216.79/2,636.59
  6. Step 6: Final answer
    x = 3,171.22

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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.