Home / 6,417.36-8,856.02-3,764.81

Finding the Fourth Proportional to 6,417.36, 8,856.02 and 3,764.81

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Solution

The fourth proportional to 6,417.36, 8,856.02 and 3,764.81 is: 5,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.36 : 8,856.02 = 3,764.81 : x
  2. Step 2: Convert to fraction form
    6,417.36/8,856.02 = 3,764.81/x
  3. Step 3: Cross multiply
    6,417.36x = 8,856.02 × 3,764.81
  4. Step 4: Simplify right side
    6,417.36x = 33,341,264.21
  5. Step 5: Solve for x
    x = 33,341,264.21/6,417.36
  6. Step 6: Final answer
    x = 5,195.48

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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.