Home / 2,087.08-3,118.36-2,014.40

Finding the Fourth Proportional to 2,087.08, 3,118.36 and 2,014.40

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Solution

The fourth proportional to 2,087.08, 3,118.36 and 2,014.40 is: 3,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.08 : 3,118.36 = 2,014.40 : x
  2. Step 2: Convert to fraction form
    2,087.08/3,118.36 = 2,014.40/x
  3. Step 3: Cross multiply
    2,087.08x = 3,118.36 × 2,014.40
  4. Step 4: Simplify right side
    2,087.08x = 6,281,624.38
  5. Step 5: Solve for x
    x = 6,281,624.38/2,087.08
  6. Step 6: Final answer
    x = 3,009.77

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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.