Home / 1,793.36-2,475.47-1,120.86

Finding the Fourth Proportional to 1,793.36, 2,475.47 and 1,120.86

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Solution

The fourth proportional to 1,793.36, 2,475.47 and 1,120.86 is: 1,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.36 : 2,475.47 = 1,120.86 : x
  2. Step 2: Convert to fraction form
    1,793.36/2,475.47 = 1,120.86/x
  3. Step 3: Cross multiply
    1,793.36x = 2,475.47 × 1,120.86
  4. Step 4: Simplify right side
    1,793.36x = 2,774,658.11
  5. Step 5: Solve for x
    x = 2,774,658.11/1,793.36
  6. Step 6: Final answer
    x = 1,547.18

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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.