Home / 5,498.12-7,587.28-2,980.14

Finding the Fourth Proportional to 5,498.12, 7,587.28 and 2,980.14

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Solution

The fourth proportional to 5,498.12, 7,587.28 and 2,980.14 is: 4,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.12 : 7,587.28 = 2,980.14 : x
  2. Step 2: Convert to fraction form
    5,498.12/7,587.28 = 2,980.14/x
  3. Step 3: Cross multiply
    5,498.12x = 7,587.28 × 2,980.14
  4. Step 4: Simplify right side
    5,498.12x = 22,611,156.62
  5. Step 5: Solve for x
    x = 22,611,156.62/5,498.12
  6. Step 6: Final answer
    x = 4,112.53

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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.