Home / 5,702.49-7,870.23-3,345.39

Finding the Fourth Proportional to 5,702.49, 7,870.23 and 3,345.39

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Solution

The fourth proportional to 5,702.49, 7,870.23 and 3,345.39 is: 4,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.49 : 7,870.23 = 3,345.39 : x
  2. Step 2: Convert to fraction form
    5,702.49/7,870.23 = 3,345.39/x
  3. Step 3: Cross multiply
    5,702.49x = 7,870.23 × 3,345.39
  4. Step 4: Simplify right side
    5,702.49x = 26,328,988.74
  5. Step 5: Solve for x
    x = 26,328,988.74/5,702.49
  6. Step 6: Final answer
    x = 4,617.10

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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.