Home / 1,548.54-2,135.07-1,106.28

Finding the Fourth Proportional to 1,548.54, 2,135.07 and 1,106.28

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Solution

The fourth proportional to 1,548.54, 2,135.07 and 1,106.28 is: 1,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.54 : 2,135.07 = 1,106.28 : x
  2. Step 2: Convert to fraction form
    1,548.54/2,135.07 = 1,106.28/x
  3. Step 3: Cross multiply
    1,548.54x = 2,135.07 × 1,106.28
  4. Step 4: Simplify right side
    1,548.54x = 2,361,985.24
  5. Step 5: Solve for x
    x = 2,361,985.24/1,548.54
  6. Step 6: Final answer
    x = 1,525.30

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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.