Home / 4,587.90-6,881.85-1,665.83

Finding the Fourth Proportional to 4,587.90, 6,881.85 and 1,665.83

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Solution

The fourth proportional to 4,587.90, 6,881.85 and 1,665.83 is: 2,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.90 : 6,881.85 = 1,665.83 : x
  2. Step 2: Convert to fraction form
    4,587.90/6,881.85 = 1,665.83/x
  3. Step 3: Cross multiply
    4,587.90x = 6,881.85 × 1,665.83
  4. Step 4: Simplify right side
    4,587.90x = 11,463,957.78
  5. Step 5: Solve for x
    x = 11,463,957.78/4,587.90
  6. Step 6: Final answer
    x = 2,498.74

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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.