Home / 2,475.12-3,708.36-1,319.52

Finding the Fourth Proportional to 2,475.12, 3,708.36 and 1,319.52

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Solution

The fourth proportional to 2,475.12, 3,708.36 and 1,319.52 is: 1,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.12 : 3,708.36 = 1,319.52 : x
  2. Step 2: Convert to fraction form
    2,475.12/3,708.36 = 1,319.52/x
  3. Step 3: Cross multiply
    2,475.12x = 3,708.36 × 1,319.52
  4. Step 4: Simplify right side
    2,475.12x = 4,893,255.19
  5. Step 5: Solve for x
    x = 4,893,255.19/2,475.12
  6. Step 6: Final answer
    x = 1,976.98

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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.