Home / 2,347.38-3,240.41-1,560.06

Finding the Fourth Proportional to 2,347.38, 3,240.41 and 1,560.06

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Solution

The fourth proportional to 2,347.38, 3,240.41 and 1,560.06 is: 2,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.38 : 3,240.41 = 1,560.06 : x
  2. Step 2: Convert to fraction form
    2,347.38/3,240.41 = 1,560.06/x
  3. Step 3: Cross multiply
    2,347.38x = 3,240.41 × 1,560.06
  4. Step 4: Simplify right side
    2,347.38x = 5,055,226.22
  5. Step 5: Solve for x
    x = 5,055,226.22/2,347.38
  6. Step 6: Final answer
    x = 2,153.56

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Half scale
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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.