Home / 6,087.21-9,130.12-1,705

Finding the Fourth Proportional to 6,087.21, 9,130.12 and 1,705

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Solution

The fourth proportional to 6,087.21, 9,130.12 and 1,705 is: 2,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.21 : 9,130.12 = 1,705 : x
  2. Step 2: Convert to fraction form
    6,087.21/9,130.12 = 1,705/x
  3. Step 3: Cross multiply
    6,087.21x = 9,130.12 × 1,705
  4. Step 4: Simplify right side
    6,087.21x = 15,566,854.60
  5. Step 5: Solve for x
    x = 15,566,854.60/6,087.21
  6. Step 6: Final answer
    x = 2,557.31

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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.