Home / 1,665.99-2,298.66-966.96

Finding the Fourth Proportional to 1,665.99, 2,298.66 and 966.96

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Solution

The fourth proportional to 1,665.99, 2,298.66 and 966.96 is: 1,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.99 : 2,298.66 = 966.96 : x
  2. Step 2: Convert to fraction form
    1,665.99/2,298.66 = 966.96/x
  3. Step 3: Cross multiply
    1,665.99x = 2,298.66 × 966.96
  4. Step 4: Simplify right side
    1,665.99x = 2,222,712.27
  5. Step 5: Solve for x
    x = 2,222,712.27/1,665.99
  6. Step 6: Final answer
    x = 1,334.17

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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.