Home / 1,953.36-2,927.60-1,397.24

Finding the Fourth Proportional to 1,953.36, 2,927.60 and 1,397.24

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Solution

The fourth proportional to 1,953.36, 2,927.60 and 1,397.24 is: 2,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.36 : 2,927.60 = 1,397.24 : x
  2. Step 2: Convert to fraction form
    1,953.36/2,927.60 = 1,397.24/x
  3. Step 3: Cross multiply
    1,953.36x = 2,927.60 × 1,397.24
  4. Step 4: Simplify right side
    1,953.36x = 4,090,559.82
  5. Step 5: Solve for x
    x = 4,090,559.82/1,953.36
  6. Step 6: Final answer
    x = 2,094.11

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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.