Home / 4,457.60-6,149.55-2,688.19

Finding the Fourth Proportional to 4,457.60, 6,149.55 and 2,688.19

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Solution

The fourth proportional to 4,457.60, 6,149.55 and 2,688.19 is: 3,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.60 : 6,149.55 = 2,688.19 : x
  2. Step 2: Convert to fraction form
    4,457.60/6,149.55 = 2,688.19/x
  3. Step 3: Cross multiply
    4,457.60x = 6,149.55 × 2,688.19
  4. Step 4: Simplify right side
    4,457.60x = 16,531,158.81
  5. Step 5: Solve for x
    x = 16,531,158.81/4,457.60
  6. Step 6: Final answer
    x = 3,708.53

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Half scale
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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.