Home / 2,957.53-4,076.63-2,159.59

Finding the Fourth Proportional to 2,957.53, 4,076.63 and 2,159.59

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Solution

The fourth proportional to 2,957.53, 4,076.63 and 2,159.59 is: 2,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.53 : 4,076.63 = 2,159.59 : x
  2. Step 2: Convert to fraction form
    2,957.53/4,076.63 = 2,159.59/x
  3. Step 3: Cross multiply
    2,957.53x = 4,076.63 × 2,159.59
  4. Step 4: Simplify right side
    2,957.53x = 8,803,849.38
  5. Step 5: Solve for x
    x = 8,803,849.38/2,957.53
  6. Step 6: Final answer
    x = 2,976.76

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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.