Home / 5,639.97-8,457.36-2,351.10

Finding the Fourth Proportional to 5,639.97, 8,457.36 and 2,351.10

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Solution

The fourth proportional to 5,639.97, 8,457.36 and 2,351.10 is: 3,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.97 : 8,457.36 = 2,351.10 : x
  2. Step 2: Convert to fraction form
    5,639.97/8,457.36 = 2,351.10/x
  3. Step 3: Cross multiply
    5,639.97x = 8,457.36 × 2,351.10
  4. Step 4: Simplify right side
    5,639.97x = 19,884,099.10
  5. Step 5: Solve for x
    x = 19,884,099.10/5,639.97
  6. Step 6: Final answer
    x = 3,525.57

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Half scale
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Double scale
Find fourth proportional to 5,640.97, 8,458.86 and 2,352.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.