Home / 2,937.42-4,051.86-2,543.76

Finding the Fourth Proportional to 2,937.42, 4,051.86 and 2,543.76

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Solution

The fourth proportional to 2,937.42, 4,051.86 and 2,543.76 is: 3,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.42 : 4,051.86 = 2,543.76 : x
  2. Step 2: Convert to fraction form
    2,937.42/4,051.86 = 2,543.76/x
  3. Step 3: Cross multiply
    2,937.42x = 4,051.86 × 2,543.76
  4. Step 4: Simplify right side
    2,937.42x = 10,306,959.39
  5. Step 5: Solve for x
    x = 10,306,959.39/2,937.42
  6. Step 6: Final answer
    x = 3,508.85

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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.