Home / 1,606.64-2,216.90-943.38

Finding the Fourth Proportional to 1,606.64, 2,216.90 and 943.38

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Solution

The fourth proportional to 1,606.64, 2,216.90 and 943.38 is: 1,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.64 : 2,216.90 = 943.38 : x
  2. Step 2: Convert to fraction form
    1,606.64/2,216.90 = 943.38/x
  3. Step 3: Cross multiply
    1,606.64x = 2,216.90 × 943.38
  4. Step 4: Simplify right side
    1,606.64x = 2,091,381.48
  5. Step 5: Solve for x
    x = 2,091,381.48/1,606.64
  6. Step 6: Final answer
    x = 1,301.72

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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.