Home / 5,870.81-8,804.18-2,359.78

Finding the Fourth Proportional to 5,870.81, 8,804.18 and 2,359.78

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Solution

The fourth proportional to 5,870.81, 8,804.18 and 2,359.78 is: 3,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.81 : 8,804.18 = 2,359.78 : x
  2. Step 2: Convert to fraction form
    5,870.81/8,804.18 = 2,359.78/x
  3. Step 3: Cross multiply
    5,870.81x = 8,804.18 × 2,359.78
  4. Step 4: Simplify right side
    5,870.81x = 20,775,911.77
  5. Step 5: Solve for x
    x = 20,775,911.77/5,870.81
  6. Step 6: Final answer
    x = 3,538.85

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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.