Home / 4,654.04-6,428.05-3,079.40

Finding the Fourth Proportional to 4,654.04, 6,428.05 and 3,079.40

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Solution

The fourth proportional to 4,654.04, 6,428.05 and 3,079.40 is: 4,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.04 : 6,428.05 = 3,079.40 : x
  2. Step 2: Convert to fraction form
    4,654.04/6,428.05 = 3,079.40/x
  3. Step 3: Cross multiply
    4,654.04x = 6,428.05 × 3,079.40
  4. Step 4: Simplify right side
    4,654.04x = 19,794,497.33
  5. Step 5: Solve for x
    x = 19,794,497.33/4,654.04
  6. Step 6: Final answer
    x = 4,253.19

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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.