Home / 5,705.84-8,559.31-1,545.90

Finding the Fourth Proportional to 5,705.84, 8,559.31 and 1,545.90

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Solution

The fourth proportional to 5,705.84, 8,559.31 and 1,545.90 is: 2,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.84 : 8,559.31 = 1,545.90 : x
  2. Step 2: Convert to fraction form
    5,705.84/8,559.31 = 1,545.90/x
  3. Step 3: Cross multiply
    5,705.84x = 8,559.31 × 1,545.90
  4. Step 4: Simplify right side
    5,705.84x = 13,231,837.33
  5. Step 5: Solve for x
    x = 13,231,837.33/5,705.84
  6. Step 6: Final answer
    x = 2,319.00

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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.