Home / 4,020.76-5,547.16-2,427.76

Finding the Fourth Proportional to 4,020.76, 5,547.16 and 2,427.76

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Solution

The fourth proportional to 4,020.76, 5,547.16 and 2,427.76 is: 3,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.76 : 5,547.16 = 2,427.76 : x
  2. Step 2: Convert to fraction form
    4,020.76/5,547.16 = 2,427.76/x
  3. Step 3: Cross multiply
    4,020.76x = 5,547.16 × 2,427.76
  4. Step 4: Simplify right side
    4,020.76x = 13,467,173.16
  5. Step 5: Solve for x
    x = 13,467,173.16/4,020.76
  6. Step 6: Final answer
    x = 3,349.41

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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.