Home / 4,240.24-5,851.28-2,377.20

Finding the Fourth Proportional to 4,240.24, 5,851.28 and 2,377.20

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Solution

The fourth proportional to 4,240.24, 5,851.28 and 2,377.20 is: 3,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.24 : 5,851.28 = 2,377.20 : x
  2. Step 2: Convert to fraction form
    4,240.24/5,851.28 = 2,377.20/x
  3. Step 3: Cross multiply
    4,240.24x = 5,851.28 × 2,377.20
  4. Step 4: Simplify right side
    4,240.24x = 13,909,662.82
  5. Step 5: Solve for x
    x = 13,909,662.82/4,240.24
  6. Step 6: Final answer
    x = 3,280.40

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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.