Home / 2,888.48-3,987.88-2,224.02

Finding the Fourth Proportional to 2,888.48, 3,987.88 and 2,224.02

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Solution

The fourth proportional to 2,888.48, 3,987.88 and 2,224.02 is: 3,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.48 : 3,987.88 = 2,224.02 : x
  2. Step 2: Convert to fraction form
    2,888.48/3,987.88 = 2,224.02/x
  3. Step 3: Cross multiply
    2,888.48x = 3,987.88 × 2,224.02
  4. Step 4: Simplify right side
    2,888.48x = 8,869,124.88
  5. Step 5: Solve for x
    x = 8,869,124.88/2,888.48
  6. Step 6: Final answer
    x = 3,070.52

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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.