Home / 1,552.29-2,142.01-1,258.26

Finding the Fourth Proportional to 1,552.29, 2,142.01 and 1,258.26

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Solution

The fourth proportional to 1,552.29, 2,142.01 and 1,258.26 is: 1,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.29 : 2,142.01 = 1,258.26 : x
  2. Step 2: Convert to fraction form
    1,552.29/2,142.01 = 1,258.26/x
  3. Step 3: Cross multiply
    1,552.29x = 2,142.01 × 1,258.26
  4. Step 4: Simplify right side
    1,552.29x = 2,695,205.50
  5. Step 5: Solve for x
    x = 2,695,205.50/1,552.29
  6. Step 6: Final answer
    x = 1,736.28

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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.