Home / 5,276.56-7,916.70-2,355.16

Finding the Fourth Proportional to 5,276.56, 7,916.70 and 2,355.16

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Solution

The fourth proportional to 5,276.56, 7,916.70 and 2,355.16 is: 3,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.56 : 7,916.70 = 2,355.16 : x
  2. Step 2: Convert to fraction form
    5,276.56/7,916.70 = 2,355.16/x
  3. Step 3: Cross multiply
    5,276.56x = 7,916.70 × 2,355.16
  4. Step 4: Simplify right side
    5,276.56x = 18,645,095.17
  5. Step 5: Solve for x
    x = 18,645,095.17/5,276.56
  6. Step 6: Final answer
    x = 3,533.57

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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.