Home / 2,587.95-3,570.08-1,702.62

Finding the Fourth Proportional to 2,587.95, 3,570.08 and 1,702.62

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Solution

The fourth proportional to 2,587.95, 3,570.08 and 1,702.62 is: 2,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.95 : 3,570.08 = 1,702.62 : x
  2. Step 2: Convert to fraction form
    2,587.95/3,570.08 = 1,702.62/x
  3. Step 3: Cross multiply
    2,587.95x = 3,570.08 × 1,702.62
  4. Step 4: Simplify right side
    2,587.95x = 6,078,481.10
  5. Step 5: Solve for x
    x = 6,078,481.10/2,587.95
  6. Step 6: Final answer
    x = 2,348.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.