Home / 2,715.31-4,068.10-1,544.05

Finding the Fourth Proportional to 2,715.31, 4,068.10 and 1,544.05

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Solution

The fourth proportional to 2,715.31, 4,068.10 and 1,544.05 is: 2,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.31 : 4,068.10 = 1,544.05 : x
  2. Step 2: Convert to fraction form
    2,715.31/4,068.10 = 1,544.05/x
  3. Step 3: Cross multiply
    2,715.31x = 4,068.10 × 1,544.05
  4. Step 4: Simplify right side
    2,715.31x = 6,281,349.81
  5. Step 5: Solve for x
    x = 6,281,349.81/2,715.31
  6. Step 6: Final answer
    x = 2,313.31

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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.