Home / 1,148.26-1,582.78-1,052.92

Finding the Fourth Proportional to 1,148.26, 1,582.78 and 1,052.92

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Solution

The fourth proportional to 1,148.26, 1,582.78 and 1,052.92 is: 1,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.26 : 1,582.78 = 1,052.92 : x
  2. Step 2: Convert to fraction form
    1,148.26/1,582.78 = 1,052.92/x
  3. Step 3: Cross multiply
    1,148.26x = 1,582.78 × 1,052.92
  4. Step 4: Simplify right side
    1,148.26x = 1,666,532.80
  5. Step 5: Solve for x
    x = 1,666,532.80/1,148.26
  6. Step 6: Final answer
    x = 1,451.35

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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.