Home / 2,445.43-3,368.99-2,000.74

Finding the Fourth Proportional to 2,445.43, 3,368.99 and 2,000.74

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Solution

The fourth proportional to 2,445.43, 3,368.99 and 2,000.74 is: 2,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.43 : 3,368.99 = 2,000.74 : x
  2. Step 2: Convert to fraction form
    2,445.43/3,368.99 = 2,000.74/x
  3. Step 3: Cross multiply
    2,445.43x = 3,368.99 × 2,000.74
  4. Step 4: Simplify right side
    2,445.43x = 6,740,473.05
  5. Step 5: Solve for x
    x = 6,740,473.05/2,445.43
  6. Step 6: Final answer
    x = 2,756.35

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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.