Home / 4,985.84-6,876.42-4,387.04

Finding the Fourth Proportional to 4,985.84, 6,876.42 and 4,387.04

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Solution

The fourth proportional to 4,985.84, 6,876.42 and 4,387.04 is: 6,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.84 : 6,876.42 = 4,387.04 : x
  2. Step 2: Convert to fraction form
    4,985.84/6,876.42 = 4,387.04/x
  3. Step 3: Cross multiply
    4,985.84x = 6,876.42 × 4,387.04
  4. Step 4: Simplify right side
    4,985.84x = 30,167,129.60
  5. Step 5: Solve for x
    x = 30,167,129.60/4,985.84
  6. Step 6: Final answer
    x = 6,050.56

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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.