Home / 1,953.17-2,928.57-1,337.60

Finding the Fourth Proportional to 1,953.17, 2,928.57 and 1,337.60

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Solution

The fourth proportional to 1,953.17, 2,928.57 and 1,337.60 is: 2,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.17 : 2,928.57 = 1,337.60 : x
  2. Step 2: Convert to fraction form
    1,953.17/2,928.57 = 1,337.60/x
  3. Step 3: Cross multiply
    1,953.17x = 2,928.57 × 1,337.60
  4. Step 4: Simplify right side
    1,953.17x = 3,917,255.23
  5. Step 5: Solve for x
    x = 3,917,255.23/1,953.17
  6. Step 6: Final answer
    x = 2,005.59

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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.