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Finding the Fourth Proportional to 2,348.68, 3,240.10 and 1,451.68

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Solution

The fourth proportional to 2,348.68, 3,240.10 and 1,451.68 is: 2,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.68 : 3,240.10 = 1,451.68 : x
  2. Step 2: Convert to fraction form
    2,348.68/3,240.10 = 1,451.68/x
  3. Step 3: Cross multiply
    2,348.68x = 3,240.10 × 1,451.68
  4. Step 4: Simplify right side
    2,348.68x = 4,703,588.37
  5. Step 5: Solve for x
    x = 4,703,588.37/2,348.68
  6. Step 6: Final answer
    x = 2,002.65

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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.