Home / 4,987.51-7,473.40-2,902.25

Finding the Fourth Proportional to 4,987.51, 7,473.40 and 2,902.25

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Solution

The fourth proportional to 4,987.51, 7,473.40 and 2,902.25 is: 4,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.51 : 7,473.40 = 2,902.25 : x
  2. Step 2: Convert to fraction form
    4,987.51/7,473.40 = 2,902.25/x
  3. Step 3: Cross multiply
    4,987.51x = 7,473.40 × 2,902.25
  4. Step 4: Simplify right side
    4,987.51x = 21,689,686.58
  5. Step 5: Solve for x
    x = 21,689,686.58/4,987.51
  6. Step 6: Final answer
    x = 4,348.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.