Home / 5,457.63-7,532.09-3,220.23

Finding the Fourth Proportional to 5,457.63, 7,532.09 and 3,220.23

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Solution

The fourth proportional to 5,457.63, 7,532.09 and 3,220.23 is: 4,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.63 : 7,532.09 = 3,220.23 : x
  2. Step 2: Convert to fraction form
    5,457.63/7,532.09 = 3,220.23/x
  3. Step 3: Cross multiply
    5,457.63x = 7,532.09 × 3,220.23
  4. Step 4: Simplify right side
    5,457.63x = 24,255,046.08
  5. Step 5: Solve for x
    x = 24,255,046.08/5,457.63
  6. Step 6: Final answer
    x = 4,444.25

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Half scale
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Double scale
Find fourth proportional to 5,458.63, 7,533.47 and 3,221.23
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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.