Home / 2,345.05-3,236.06-1,400.99

Finding the Fourth Proportional to 2,345.05, 3,236.06 and 1,400.99

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Solution

The fourth proportional to 2,345.05, 3,236.06 and 1,400.99 is: 1,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.05 : 3,236.06 = 1,400.99 : x
  2. Step 2: Convert to fraction form
    2,345.05/3,236.06 = 1,400.99/x
  3. Step 3: Cross multiply
    2,345.05x = 3,236.06 × 1,400.99
  4. Step 4: Simplify right side
    2,345.05x = 4,533,687.70
  5. Step 5: Solve for x
    x = 4,533,687.70/2,345.05
  6. Step 6: Final answer
    x = 1,933.30

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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.