Home / 6,259.68-8,638.27-3,607.03

Finding the Fourth Proportional to 6,259.68, 8,638.27 and 3,607.03

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Solution

The fourth proportional to 6,259.68, 8,638.27 and 3,607.03 is: 4,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.68 : 8,638.27 = 3,607.03 : x
  2. Step 2: Convert to fraction form
    6,259.68/8,638.27 = 3,607.03/x
  3. Step 3: Cross multiply
    6,259.68x = 8,638.27 × 3,607.03
  4. Step 4: Simplify right side
    6,259.68x = 31,158,510.96
  5. Step 5: Solve for x
    x = 31,158,510.96/6,259.68
  6. Step 6: Final answer
    x = 4,977.65

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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.