Home / 5,534.12-8,301.26-1,638.64

Finding the Fourth Proportional to 5,534.12, 8,301.26 and 1,638.64

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Solution

The fourth proportional to 5,534.12, 8,301.26 and 1,638.64 is: 2,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.12 : 8,301.26 = 1,638.64 : x
  2. Step 2: Convert to fraction form
    5,534.12/8,301.26 = 1,638.64/x
  3. Step 3: Cross multiply
    5,534.12x = 8,301.26 × 1,638.64
  4. Step 4: Simplify right side
    5,534.12x = 13,602,776.69
  5. Step 5: Solve for x
    x = 13,602,776.69/5,534.12
  6. Step 6: Final answer
    x = 2,457.98

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1.5x scale

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.