Home / 4,870.64-7,311.16-2,098.68

Finding the Fourth Proportional to 4,870.64, 7,311.16 and 2,098.68

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Solution

The fourth proportional to 4,870.64, 7,311.16 and 2,098.68 is: 3,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.64 : 7,311.16 = 2,098.68 : x
  2. Step 2: Convert to fraction form
    4,870.64/7,311.16 = 2,098.68/x
  3. Step 3: Cross multiply
    4,870.64x = 7,311.16 × 2,098.68
  4. Step 4: Simplify right side
    4,870.64x = 15,343,785.27
  5. Step 5: Solve for x
    x = 15,343,785.27/4,870.64
  6. Step 6: Final answer
    x = 3,150.26

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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.