Home / 5,291.34-7,937.10-2,005.98

Finding the Fourth Proportional to 5,291.34, 7,937.10 and 2,005.98

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Solution

The fourth proportional to 5,291.34, 7,937.10 and 2,005.98 is: 3,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.34 : 7,937.10 = 2,005.98 : x
  2. Step 2: Convert to fraction form
    5,291.34/7,937.10 = 2,005.98/x
  3. Step 3: Cross multiply
    5,291.34x = 7,937.10 × 2,005.98
  4. Step 4: Simplify right side
    5,291.34x = 15,921,663.86
  5. Step 5: Solve for x
    x = 15,921,663.86/5,291.34
  6. Step 6: Final answer
    x = 3,009.00

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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.