Home / 1,355.14-2,032.98-625.24

Finding the Fourth Proportional to 1,355.14, 2,032.98 and 625.24

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Solution

The fourth proportional to 1,355.14, 2,032.98 and 625.24 is: 937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.14 : 2,032.98 = 625.24 : x
  2. Step 2: Convert to fraction form
    1,355.14/2,032.98 = 625.24/x
  3. Step 3: Cross multiply
    1,355.14x = 2,032.98 × 625.24
  4. Step 4: Simplify right side
    1,355.14x = 1,271,100.42
  5. Step 5: Solve for x
    x = 1,271,100.42/1,355.14
  6. Step 6: Final answer
    x = 937.98

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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.