Home / 4,117.76-5,682.52-2,254.76

Finding the Fourth Proportional to 4,117.76, 5,682.52 and 2,254.76

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Solution

The fourth proportional to 4,117.76, 5,682.52 and 2,254.76 is: 3,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.76 : 5,682.52 = 2,254.76 : x
  2. Step 2: Convert to fraction form
    4,117.76/5,682.52 = 2,254.76/x
  3. Step 3: Cross multiply
    4,117.76x = 5,682.52 × 2,254.76
  4. Step 4: Simplify right side
    4,117.76x = 12,812,718.80
  5. Step 5: Solve for x
    x = 12,812,718.80/4,117.76
  6. Step 6: Final answer
    x = 3,111.57

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Half scale
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Double scale
Find fourth proportional to 4,118.76, 5,683.90 and 2,255.76
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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.