Home / 4,916.16-7,369.92-1,840.32

Finding the Fourth Proportional to 4,916.16, 7,369.92 and 1,840.32

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Solution

The fourth proportional to 4,916.16, 7,369.92 and 1,840.32 is: 2,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.16 : 7,369.92 = 1,840.32 : x
  2. Step 2: Convert to fraction form
    4,916.16/7,369.92 = 1,840.32/x
  3. Step 3: Cross multiply
    4,916.16x = 7,369.92 × 1,840.32
  4. Step 4: Simplify right side
    4,916.16x = 13,563,011.17
  5. Step 5: Solve for x
    x = 13,563,011.17/4,916.16
  6. Step 6: Final answer
    x = 2,758.86

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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.