Home / 5,097.89-7,646.44-1,587.80

Finding the Fourth Proportional to 5,097.89, 7,646.44 and 1,587.80

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Solution

The fourth proportional to 5,097.89, 7,646.44 and 1,587.80 is: 2,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.89 : 7,646.44 = 1,587.80 : x
  2. Step 2: Convert to fraction form
    5,097.89/7,646.44 = 1,587.80/x
  3. Step 3: Cross multiply
    5,097.89x = 7,646.44 × 1,587.80
  4. Step 4: Simplify right side
    5,097.89x = 12,141,017.43
  5. Step 5: Solve for x
    x = 12,141,017.43/5,097.89
  6. Step 6: Final answer
    x = 2,381.58

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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.