Home / 1,774.08-2,451.60-1,508.40

Finding the Fourth Proportional to 1,774.08, 2,451.60 and 1,508.40

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Solution

The fourth proportional to 1,774.08, 2,451.60 and 1,508.40 is: 2,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.08 : 2,451.60 = 1,508.40 : x
  2. Step 2: Convert to fraction form
    1,774.08/2,451.60 = 1,508.40/x
  3. Step 3: Cross multiply
    1,774.08x = 2,451.60 × 1,508.40
  4. Step 4: Simplify right side
    1,774.08x = 3,697,993.44
  5. Step 5: Solve for x
    x = 3,697,993.44/1,774.08
  6. Step 6: Final answer
    x = 2,084.46

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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.