Home / 1,529.37-2,110.64-866.23

Finding the Fourth Proportional to 1,529.37, 2,110.64 and 866.23

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Solution

The fourth proportional to 1,529.37, 2,110.64 and 866.23 is: 1,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.37 : 2,110.64 = 866.23 : x
  2. Step 2: Convert to fraction form
    1,529.37/2,110.64 = 866.23/x
  3. Step 3: Cross multiply
    1,529.37x = 2,110.64 × 866.23
  4. Step 4: Simplify right side
    1,529.37x = 1,828,290.08
  5. Step 5: Solve for x
    x = 1,828,290.08/1,529.37
  6. Step 6: Final answer
    x = 1,195.45

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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.