Home / 2,087.65-3,125.40-2,026.90

Finding the Fourth Proportional to 2,087.65, 3,125.40 and 2,026.90

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Solution

The fourth proportional to 2,087.65, 3,125.40 and 2,026.90 is: 3,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.65 : 3,125.40 = 2,026.90 : x
  2. Step 2: Convert to fraction form
    2,087.65/3,125.40 = 2,026.90/x
  3. Step 3: Cross multiply
    2,087.65x = 3,125.40 × 2,026.90
  4. Step 4: Simplify right side
    2,087.65x = 6,334,873.26
  5. Step 5: Solve for x
    x = 6,334,873.26/2,087.65
  6. Step 6: Final answer
    x = 3,034.45

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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.