Home / 1,768.16-2,439.45-1,095.26

Finding the Fourth Proportional to 1,768.16, 2,439.45 and 1,095.26

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Solution

The fourth proportional to 1,768.16, 2,439.45 and 1,095.26 is: 1,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.16 : 2,439.45 = 1,095.26 : x
  2. Step 2: Convert to fraction form
    1,768.16/2,439.45 = 1,095.26/x
  3. Step 3: Cross multiply
    1,768.16x = 2,439.45 × 1,095.26
  4. Step 4: Simplify right side
    1,768.16x = 2,671,819.81
  5. Step 5: Solve for x
    x = 2,671,819.81/1,768.16
  6. Step 6: Final answer
    x = 1,511.07

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1.5x scale

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.