Home / 2,680.48-3,996.95-2,501.74

Finding the Fourth Proportional to 2,680.48, 3,996.95 and 2,501.74

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Solution

The fourth proportional to 2,680.48, 3,996.95 and 2,501.74 is: 3,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.48 : 3,996.95 = 2,501.74 : x
  2. Step 2: Convert to fraction form
    2,680.48/3,996.95 = 2,501.74/x
  3. Step 3: Cross multiply
    2,680.48x = 3,996.95 × 2,501.74
  4. Step 4: Simplify right side
    2,680.48x = 9,999,329.69
  5. Step 5: Solve for x
    x = 9,999,329.69/2,680.48
  6. Step 6: Final answer
    x = 3,730.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.