Home / 2,913.60-4,011.48-2,714.88

Finding the Fourth Proportional to 2,913.60, 4,011.48 and 2,714.88

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Solution

The fourth proportional to 2,913.60, 4,011.48 and 2,714.88 is: 3,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.60 : 4,011.48 = 2,714.88 : x
  2. Step 2: Convert to fraction form
    2,913.60/4,011.48 = 2,714.88/x
  3. Step 3: Cross multiply
    2,913.60x = 4,011.48 × 2,714.88
  4. Step 4: Simplify right side
    2,913.60x = 10,890,686.82
  5. Step 5: Solve for x
    x = 10,890,686.82/2,913.60
  6. Step 6: Final answer
    x = 3,737.88

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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.