Home / 2,702.14-4,053.40-1,316.64

Finding the Fourth Proportional to 2,702.14, 4,053.40 and 1,316.64

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Solution

The fourth proportional to 2,702.14, 4,053.40 and 1,316.64 is: 1,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.14 : 4,053.40 = 1,316.64 : x
  2. Step 2: Convert to fraction form
    2,702.14/4,053.40 = 1,316.64/x
  3. Step 3: Cross multiply
    2,702.14x = 4,053.40 × 1,316.64
  4. Step 4: Simplify right side
    2,702.14x = 5,336,868.58
  5. Step 5: Solve for x
    x = 5,336,868.58/2,702.14
  6. Step 6: Final answer
    x = 1,975.05

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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.