Home / 1,772.19-2,445.39-1,026.14

Finding the Fourth Proportional to 1,772.19, 2,445.39 and 1,026.14

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Solution

The fourth proportional to 1,772.19, 2,445.39 and 1,026.14 is: 1,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.19 : 2,445.39 = 1,026.14 : x
  2. Step 2: Convert to fraction form
    1,772.19/2,445.39 = 1,026.14/x
  3. Step 3: Cross multiply
    1,772.19x = 2,445.39 × 1,026.14
  4. Step 4: Simplify right side
    1,772.19x = 2,509,300.27
  5. Step 5: Solve for x
    x = 2,509,300.27/1,772.19
  6. Step 6: Final answer
    x = 1,415.93

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Double scale
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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.