Home / 1,675.40-2,513.30-701.51

Finding the Fourth Proportional to 1,675.40, 2,513.30 and 701.51

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Solution

The fourth proportional to 1,675.40, 2,513.30 and 701.51 is: 1,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.40 : 2,513.30 = 701.51 : x
  2. Step 2: Convert to fraction form
    1,675.40/2,513.30 = 701.51/x
  3. Step 3: Cross multiply
    1,675.40x = 2,513.30 × 701.51
  4. Step 4: Simplify right side
    1,675.40x = 1,763,089.01
  5. Step 5: Solve for x
    x = 1,763,089.01/1,675.40
  6. Step 6: Final answer
    x = 1,052.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.