Home / 1,606.56-2,217.12-943.32

Finding the Fourth Proportional to 1,606.56, 2,217.12 and 943.32

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Solution

The fourth proportional to 1,606.56, 2,217.12 and 943.32 is: 1,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.56 : 2,217.12 = 943.32 : x
  2. Step 2: Convert to fraction form
    1,606.56/2,217.12 = 943.32/x
  3. Step 3: Cross multiply
    1,606.56x = 2,217.12 × 943.32
  4. Step 4: Simplify right side
    1,606.56x = 2,091,453.64
  5. Step 5: Solve for x
    x = 2,091,453.64/1,606.56
  6. Step 6: Final answer
    x = 1,301.82

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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.