Home / 4,695.21-6,477.34-2,806.19

Finding the Fourth Proportional to 4,695.21, 6,477.34 and 2,806.19

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Solution

The fourth proportional to 4,695.21, 6,477.34 and 2,806.19 is: 3,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.21 : 6,477.34 = 2,806.19 : x
  2. Step 2: Convert to fraction form
    4,695.21/6,477.34 = 2,806.19/x
  3. Step 3: Cross multiply
    4,695.21x = 6,477.34 × 2,806.19
  4. Step 4: Simplify right side
    4,695.21x = 18,176,646.73
  5. Step 5: Solve for x
    x = 18,176,646.73/4,695.21
  6. Step 6: Final answer
    x = 3,871.32

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Half scale
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Double scale
Find fourth proportional to 4,696.21, 6,478.72 and 2,807.19
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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.