Home / 5,457.16-7,530.59-3,220.27

Finding the Fourth Proportional to 5,457.16, 7,530.59 and 3,220.27

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Solution

The fourth proportional to 5,457.16, 7,530.59 and 3,220.27 is: 4,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.16 : 7,530.59 = 3,220.27 : x
  2. Step 2: Convert to fraction form
    5,457.16/7,530.59 = 3,220.27/x
  3. Step 3: Cross multiply
    5,457.16x = 7,530.59 × 3,220.27
  4. Step 4: Simplify right side
    5,457.16x = 24,250,533.06
  5. Step 5: Solve for x
    x = 24,250,533.06/5,457.16
  6. Step 6: Final answer
    x = 4,443.80

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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.