Home / 6,515.04-8,982.28-4,153.08

Finding the Fourth Proportional to 6,515.04, 8,982.28 and 4,153.08

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Solution

The fourth proportional to 6,515.04, 8,982.28 and 4,153.08 is: 5,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.04 : 8,982.28 = 4,153.08 : x
  2. Step 2: Convert to fraction form
    6,515.04/8,982.28 = 4,153.08/x
  3. Step 3: Cross multiply
    6,515.04x = 8,982.28 × 4,153.08
  4. Step 4: Simplify right side
    6,515.04x = 37,304,127.42
  5. Step 5: Solve for x
    x = 37,304,127.42/6,515.04
  6. Step 6: Final answer
    x = 5,725.85

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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.