Home / 1,633.08-2,253.67-887.07

Finding the Fourth Proportional to 1,633.08, 2,253.67 and 887.07

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Solution

The fourth proportional to 1,633.08, 2,253.67 and 887.07 is: 1,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.08 : 2,253.67 = 887.07 : x
  2. Step 2: Convert to fraction form
    1,633.08/2,253.67 = 887.07/x
  3. Step 3: Cross multiply
    1,633.08x = 2,253.67 × 887.07
  4. Step 4: Simplify right side
    1,633.08x = 1,999,160.83
  5. Step 5: Solve for x
    x = 1,999,160.83/1,633.08
  6. Step 6: Final answer
    x = 1,224.17

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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.