Home / 4,306.80-6,456.74-2,459.21

Finding the Fourth Proportional to 4,306.80, 6,456.74 and 2,459.21

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Solution

The fourth proportional to 4,306.80, 6,456.74 and 2,459.21 is: 3,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.80 : 6,456.74 = 2,459.21 : x
  2. Step 2: Convert to fraction form
    4,306.80/6,456.74 = 2,459.21/x
  3. Step 3: Cross multiply
    4,306.80x = 6,456.74 × 2,459.21
  4. Step 4: Simplify right side
    4,306.80x = 15,878,492.64
  5. Step 5: Solve for x
    x = 15,878,492.64/4,306.80
  6. Step 6: Final answer
    x = 3,686.84

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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.