Home / 5,403.53-7,457.47-3,167.30

Finding the Fourth Proportional to 5,403.53, 7,457.47 and 3,167.30

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Solution

The fourth proportional to 5,403.53, 7,457.47 and 3,167.30 is: 4,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.53 : 7,457.47 = 3,167.30 : x
  2. Step 2: Convert to fraction form
    5,403.53/7,457.47 = 3,167.30/x
  3. Step 3: Cross multiply
    5,403.53x = 7,457.47 × 3,167.30
  4. Step 4: Simplify right side
    5,403.53x = 23,620,031.32
  5. Step 5: Solve for x
    x = 23,620,031.32/5,403.53
  6. Step 6: Final answer
    x = 4,371.22

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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.