Home / 1,641.22-2,264.85-895.19

Finding the Fourth Proportional to 1,641.22, 2,264.85 and 895.19

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Solution

The fourth proportional to 1,641.22, 2,264.85 and 895.19 is: 1,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.22 : 2,264.85 = 895.19 : x
  2. Step 2: Convert to fraction form
    1,641.22/2,264.85 = 895.19/x
  3. Step 3: Cross multiply
    1,641.22x = 2,264.85 × 895.19
  4. Step 4: Simplify right side
    1,641.22x = 2,027,471.07
  5. Step 5: Solve for x
    x = 2,027,471.07/1,641.22
  6. Step 6: Final answer
    x = 1,235.34

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Half scale
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Double scale
Find fourth proportional to 1,642.22, 2,266.23 and 896.19
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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.