Home / 5,904.81-8,140.70-5,061.87

Finding the Fourth Proportional to 5,904.81, 8,140.70 and 5,061.87

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Solution

The fourth proportional to 5,904.81, 8,140.70 and 5,061.87 is: 6,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.81 : 8,140.70 = 5,061.87 : x
  2. Step 2: Convert to fraction form
    5,904.81/8,140.70 = 5,061.87/x
  3. Step 3: Cross multiply
    5,904.81x = 8,140.70 × 5,061.87
  4. Step 4: Simplify right side
    5,904.81x = 41,207,177.76
  5. Step 5: Solve for x
    x = 41,207,177.76/5,904.81
  6. Step 6: Final answer
    x = 6,978.58

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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.