Home / 2,124.01-3,167.98-2,087.10

Finding the Fourth Proportional to 2,124.01, 3,167.98 and 2,087.10

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Solution

The fourth proportional to 2,124.01, 3,167.98 and 2,087.10 is: 3,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.01 : 3,167.98 = 2,087.10 : x
  2. Step 2: Convert to fraction form
    2,124.01/3,167.98 = 2,087.10/x
  3. Step 3: Cross multiply
    2,124.01x = 3,167.98 × 2,087.10
  4. Step 4: Simplify right side
    2,124.01x = 6,611,885.84
  5. Step 5: Solve for x
    x = 6,611,885.84/2,124.01
  6. Step 6: Final answer
    x = 3,112.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.