Home / 3,548.40-4,896.90-1,955.15

Finding the Fourth Proportional to 3,548.40, 4,896.90 and 1,955.15

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Solution

The fourth proportional to 3,548.40, 4,896.90 and 1,955.15 is: 2,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.40 : 4,896.90 = 1,955.15 : x
  2. Step 2: Convert to fraction form
    3,548.40/4,896.90 = 1,955.15/x
  3. Step 3: Cross multiply
    3,548.40x = 4,896.90 × 1,955.15
  4. Step 4: Simplify right side
    3,548.40x = 9,574,174.04
  5. Step 5: Solve for x
    x = 9,574,174.04/3,548.40
  6. Step 6: Final answer
    x = 2,698.17

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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.