Home / 2,946.93-4,425.66-2,712.21

Finding the Fourth Proportional to 2,946.93, 4,425.66 and 2,712.21

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Solution

The fourth proportional to 2,946.93, 4,425.66 and 2,712.21 is: 4,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.93 : 4,425.66 = 2,712.21 : x
  2. Step 2: Convert to fraction form
    2,946.93/4,425.66 = 2,712.21/x
  3. Step 3: Cross multiply
    2,946.93x = 4,425.66 × 2,712.21
  4. Step 4: Simplify right side
    2,946.93x = 12,003,319.31
  5. Step 5: Solve for x
    x = 12,003,319.31/2,946.93
  6. Step 6: Final answer
    x = 4,073.16

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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.