Home / 4,681.55-6,455.75-3,089.14

Finding the Fourth Proportional to 4,681.55, 6,455.75 and 3,089.14

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Solution

The fourth proportional to 4,681.55, 6,455.75 and 3,089.14 is: 4,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.55 : 6,455.75 = 3,089.14 : x
  2. Step 2: Convert to fraction form
    4,681.55/6,455.75 = 3,089.14/x
  3. Step 3: Cross multiply
    4,681.55x = 6,455.75 × 3,089.14
  4. Step 4: Simplify right side
    4,681.55x = 19,942,701.35
  5. Step 5: Solve for x
    x = 19,942,701.35/4,681.55
  6. Step 6: Final answer
    x = 4,259.85

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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.