Home / 5,332-7,965.65-4,457.20

Finding the Fourth Proportional to 5,332, 7,965.65 and 4,457.20

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Solution

The fourth proportional to 5,332, 7,965.65 and 4,457.20 is: 6,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332 : 7,965.65 = 4,457.20 : x
  2. Step 2: Convert to fraction form
    5,332/7,965.65 = 4,457.20/x
  3. Step 3: Cross multiply
    5,332x = 7,965.65 × 4,457.20
  4. Step 4: Simplify right side
    5,332x = 35,504,495.18
  5. Step 5: Solve for x
    x = 35,504,495.18/5,332
  6. Step 6: Final answer
    x = 6,658.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.