Home / 2,955.77-4,433.66-1,106.40

Finding the Fourth Proportional to 2,955.77, 4,433.66 and 1,106.40

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Solution

The fourth proportional to 2,955.77, 4,433.66 and 1,106.40 is: 1,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.77 : 4,433.66 = 1,106.40 : x
  2. Step 2: Convert to fraction form
    2,955.77/4,433.66 = 1,106.40/x
  3. Step 3: Cross multiply
    2,955.77x = 4,433.66 × 1,106.40
  4. Step 4: Simplify right side
    2,955.77x = 4,905,401.42
  5. Step 5: Solve for x
    x = 4,905,401.42/2,955.77
  6. Step 6: Final answer
    x = 1,659.60

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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.