Home / 4,982.24-6,875.80-2,887.60

Finding the Fourth Proportional to 4,982.24, 6,875.80 and 2,887.60

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Solution

The fourth proportional to 4,982.24, 6,875.80 and 2,887.60 is: 3,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.24 : 6,875.80 = 2,887.60 : x
  2. Step 2: Convert to fraction form
    4,982.24/6,875.80 = 2,887.60/x
  3. Step 3: Cross multiply
    4,982.24x = 6,875.80 × 2,887.60
  4. Step 4: Simplify right side
    4,982.24x = 19,854,560.08
  5. Step 5: Solve for x
    x = 19,854,560.08/4,982.24
  6. Step 6: Final answer
    x = 3,985.07

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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.