Home / 2,355.18-3,250.49-1,347.12

Finding the Fourth Proportional to 2,355.18, 3,250.49 and 1,347.12

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Solution

The fourth proportional to 2,355.18, 3,250.49 and 1,347.12 is: 1,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.18 : 3,250.49 = 1,347.12 : x
  2. Step 2: Convert to fraction form
    2,355.18/3,250.49 = 1,347.12/x
  3. Step 3: Cross multiply
    2,355.18x = 3,250.49 × 1,347.12
  4. Step 4: Simplify right side
    2,355.18x = 4,378,793.35
  5. Step 5: Solve for x
    x = 4,378,793.35/2,355.18
  6. Step 6: Final answer
    x = 1,859.22

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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.