Home / 5,354.10-7,390.14-3,116.41

Finding the Fourth Proportional to 5,354.10, 7,390.14 and 3,116.41

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Solution

The fourth proportional to 5,354.10, 7,390.14 and 3,116.41 is: 4,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.10 : 7,390.14 = 3,116.41 : x
  2. Step 2: Convert to fraction form
    5,354.10/7,390.14 = 3,116.41/x
  3. Step 3: Cross multiply
    5,354.10x = 7,390.14 × 3,116.41
  4. Step 4: Simplify right side
    5,354.10x = 23,030,706.20
  5. Step 5: Solve for x
    x = 23,030,706.20/5,354.10
  6. Step 6: Final answer
    x = 4,301.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.