Home / 2,495.57-3,447.65-2,126.35

Finding the Fourth Proportional to 2,495.57, 3,447.65 and 2,126.35

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Solution

The fourth proportional to 2,495.57, 3,447.65 and 2,126.35 is: 2,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.57 : 3,447.65 = 2,126.35 : x
  2. Step 2: Convert to fraction form
    2,495.57/3,447.65 = 2,126.35/x
  3. Step 3: Cross multiply
    2,495.57x = 3,447.65 × 2,126.35
  4. Step 4: Simplify right side
    2,495.57x = 7,330,882.71
  5. Step 5: Solve for x
    x = 7,330,882.71/2,495.57
  6. Step 6: Final answer
    x = 2,937.56

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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.