Home / 3,140.48-4,712.08-1,497.04

Finding the Fourth Proportional to 3,140.48, 4,712.08 and 1,497.04

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Solution

The fourth proportional to 3,140.48, 4,712.08 and 1,497.04 is: 2,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.48 : 4,712.08 = 1,497.04 : x
  2. Step 2: Convert to fraction form
    3,140.48/4,712.08 = 1,497.04/x
  3. Step 3: Cross multiply
    3,140.48x = 4,712.08 × 1,497.04
  4. Step 4: Simplify right side
    3,140.48x = 7,054,172.24
  5. Step 5: Solve for x
    x = 7,054,172.24/3,140.48
  6. Step 6: Final answer
    x = 2,246.21

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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.