Home / 2,606.99-3,597.62-1,428.10

Finding the Fourth Proportional to 2,606.99, 3,597.62 and 1,428.10

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Solution

The fourth proportional to 2,606.99, 3,597.62 and 1,428.10 is: 1,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.99 : 3,597.62 = 1,428.10 : x
  2. Step 2: Convert to fraction form
    2,606.99/3,597.62 = 1,428.10/x
  3. Step 3: Cross multiply
    2,606.99x = 3,597.62 × 1,428.10
  4. Step 4: Simplify right side
    2,606.99x = 5,137,744.99
  5. Step 5: Solve for x
    x = 5,137,744.99/2,606.99
  6. Step 6: Final answer
    x = 1,970.76

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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.