Home / 6,259.84-8,638.68-3,465.16

Finding the Fourth Proportional to 6,259.84, 8,638.68 and 3,465.16

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Solution

The fourth proportional to 6,259.84, 8,638.68 and 3,465.16 is: 4,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.84 : 8,638.68 = 3,465.16 : x
  2. Step 2: Convert to fraction form
    6,259.84/8,638.68 = 3,465.16/x
  3. Step 3: Cross multiply
    6,259.84x = 8,638.68 × 3,465.16
  4. Step 4: Simplify right side
    6,259.84x = 29,934,408.39
  5. Step 5: Solve for x
    x = 29,934,408.39/6,259.84
  6. Step 6: Final answer
    x = 4,781.98

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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.