Home / 4,191.47-5,784.38-2,422.63

Finding the Fourth Proportional to 4,191.47, 5,784.38 and 2,422.63

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Solution

The fourth proportional to 4,191.47, 5,784.38 and 2,422.63 is: 3,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.47 : 5,784.38 = 2,422.63 : x
  2. Step 2: Convert to fraction form
    4,191.47/5,784.38 = 2,422.63/x
  3. Step 3: Cross multiply
    4,191.47x = 5,784.38 × 2,422.63
  4. Step 4: Simplify right side
    4,191.47x = 14,013,412.52
  5. Step 5: Solve for x
    x = 14,013,412.52/4,191.47
  6. Step 6: Final answer
    x = 3,343.32

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Half scale
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Double scale
Find fourth proportional to 4,192.47, 5,785.76 and 2,423.63
Similar ratio
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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.