Home / 2,357.08-3,530.23-1,125.35

Finding the Fourth Proportional to 2,357.08, 3,530.23 and 1,125.35

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Solution

The fourth proportional to 2,357.08, 3,530.23 and 1,125.35 is: 1,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.08 : 3,530.23 = 1,125.35 : x
  2. Step 2: Convert to fraction form
    2,357.08/3,530.23 = 1,125.35/x
  3. Step 3: Cross multiply
    2,357.08x = 3,530.23 × 1,125.35
  4. Step 4: Simplify right side
    2,357.08x = 3,972,763.29
  5. Step 5: Solve for x
    x = 3,972,763.29/2,357.08
  6. Step 6: Final answer
    x = 1,685.46

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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.