Home / 2,374.87-3,274.14-1,665.76

Finding the Fourth Proportional to 2,374.87, 3,274.14 and 1,665.76

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Solution

The fourth proportional to 2,374.87, 3,274.14 and 1,665.76 is: 2,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.87 : 3,274.14 = 1,665.76 : x
  2. Step 2: Convert to fraction form
    2,374.87/3,274.14 = 1,665.76/x
  3. Step 3: Cross multiply
    2,374.87x = 3,274.14 × 1,665.76
  4. Step 4: Simplify right side
    2,374.87x = 5,453,931.45
  5. Step 5: Solve for x
    x = 5,453,931.45/2,374.87
  6. Step 6: Final answer
    x = 2,296.52

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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.