Home / 2,931.48-4,397.07-1,082.44

Finding the Fourth Proportional to 2,931.48, 4,397.07 and 1,082.44

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Solution

The fourth proportional to 2,931.48, 4,397.07 and 1,082.44 is: 1,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.48 : 4,397.07 = 1,082.44 : x
  2. Step 2: Convert to fraction form
    2,931.48/4,397.07 = 1,082.44/x
  3. Step 3: Cross multiply
    2,931.48x = 4,397.07 × 1,082.44
  4. Step 4: Simplify right side
    2,931.48x = 4,759,564.45
  5. Step 5: Solve for x
    x = 4,759,564.45/2,931.48
  6. Step 6: Final answer
    x = 1,623.60

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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.