Home / 2,885.01-3,981.56-1,626.32

Finding the Fourth Proportional to 2,885.01, 3,981.56 and 1,626.32

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Solution

The fourth proportional to 2,885.01, 3,981.56 and 1,626.32 is: 2,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.01 : 3,981.56 = 1,626.32 : x
  2. Step 2: Convert to fraction form
    2,885.01/3,981.56 = 1,626.32/x
  3. Step 3: Cross multiply
    2,885.01x = 3,981.56 × 1,626.32
  4. Step 4: Simplify right side
    2,885.01x = 6,475,290.66
  5. Step 5: Solve for x
    x = 6,475,290.66/2,885.01
  6. Step 6: Final answer
    x = 2,244.46

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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.