Home / 1,367.08-2,045.13-1,056.58

Finding the Fourth Proportional to 1,367.08, 2,045.13 and 1,056.58

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Solution

The fourth proportional to 1,367.08, 2,045.13 and 1,056.58 is: 1,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.08 : 2,045.13 = 1,056.58 : x
  2. Step 2: Convert to fraction form
    1,367.08/2,045.13 = 1,056.58/x
  3. Step 3: Cross multiply
    1,367.08x = 2,045.13 × 1,056.58
  4. Step 4: Simplify right side
    1,367.08x = 2,160,843.46
  5. Step 5: Solve for x
    x = 2,160,843.46/1,367.08
  6. Step 6: Final answer
    x = 1,580.63

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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.