Home / 4,020.88-5,547.84-2,341.28

Finding the Fourth Proportional to 4,020.88, 5,547.84 and 2,341.28

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Solution

The fourth proportional to 4,020.88, 5,547.84 and 2,341.28 is: 3,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.88 : 5,547.84 = 2,341.28 : x
  2. Step 2: Convert to fraction form
    4,020.88/5,547.84 = 2,341.28/x
  3. Step 3: Cross multiply
    4,020.88x = 5,547.84 × 2,341.28
  4. Step 4: Simplify right side
    4,020.88x = 12,989,046.84
  5. Step 5: Solve for x
    x = 12,989,046.84/4,020.88
  6. Step 6: Final answer
    x = 3,230.40

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Half scale
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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.