Home / 5,158.05-7,116.47-3,032.90

Finding the Fourth Proportional to 5,158.05, 7,116.47 and 3,032.90

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Solution

The fourth proportional to 5,158.05, 7,116.47 and 3,032.90 is: 4,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.05 : 7,116.47 = 3,032.90 : x
  2. Step 2: Convert to fraction form
    5,158.05/7,116.47 = 3,032.90/x
  3. Step 3: Cross multiply
    5,158.05x = 7,116.47 × 3,032.90
  4. Step 4: Simplify right side
    5,158.05x = 21,583,491.12
  5. Step 5: Solve for x
    x = 21,583,491.12/5,158.05
  6. Step 6: Final answer
    x = 4,184.43

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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.