Home / 4,115.84-5,680.40-2,347.04

Finding the Fourth Proportional to 4,115.84, 5,680.40 and 2,347.04

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Solution

The fourth proportional to 4,115.84, 5,680.40 and 2,347.04 is: 3,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.84 : 5,680.40 = 2,347.04 : x
  2. Step 2: Convert to fraction form
    4,115.84/5,680.40 = 2,347.04/x
  3. Step 3: Cross multiply
    4,115.84x = 5,680.40 × 2,347.04
  4. Step 4: Simplify right side
    4,115.84x = 13,332,126.02
  5. Step 5: Solve for x
    x = 13,332,126.02/4,115.84
  6. Step 6: Final answer
    x = 3,239.22

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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.