Home / 6,381.19-8,806.26-3,548.53

Finding the Fourth Proportional to 6,381.19, 8,806.26 and 3,548.53

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Solution

The fourth proportional to 6,381.19, 8,806.26 and 3,548.53 is: 4,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.19 : 8,806.26 = 3,548.53 : x
  2. Step 2: Convert to fraction form
    6,381.19/8,806.26 = 3,548.53/x
  3. Step 3: Cross multiply
    6,381.19x = 8,806.26 × 3,548.53
  4. Step 4: Simplify right side
    6,381.19x = 31,249,277.80
  5. Step 5: Solve for x
    x = 31,249,277.80/6,381.19
  6. Step 6: Final answer
    x = 4,897.09

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Half scale
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Double scale
Find fourth proportional to 6,382.19, 8,807.64 and 3,549.53
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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.