Home / 2,715.56-4,070.06-1,252.68

Finding the Fourth Proportional to 2,715.56, 4,070.06 and 1,252.68

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Solution

The fourth proportional to 2,715.56, 4,070.06 and 1,252.68 is: 1,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.56 : 4,070.06 = 1,252.68 : x
  2. Step 2: Convert to fraction form
    2,715.56/4,070.06 = 1,252.68/x
  3. Step 3: Cross multiply
    2,715.56x = 4,070.06 × 1,252.68
  4. Step 4: Simplify right side
    2,715.56x = 5,098,482.76
  5. Step 5: Solve for x
    x = 5,098,482.76/2,715.56
  6. Step 6: Final answer
    x = 1,877.51

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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.