Home / 5,457.61-7,525.54-3,686.14

Finding the Fourth Proportional to 5,457.61, 7,525.54 and 3,686.14

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Solution

The fourth proportional to 5,457.61, 7,525.54 and 3,686.14 is: 5,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.61 : 7,525.54 = 3,686.14 : x
  2. Step 2: Convert to fraction form
    5,457.61/7,525.54 = 3,686.14/x
  3. Step 3: Cross multiply
    5,457.61x = 7,525.54 × 3,686.14
  4. Step 4: Simplify right side
    5,457.61x = 27,740,208.03
  5. Step 5: Solve for x
    x = 27,740,208.03/5,457.61
  6. Step 6: Final answer
    x = 5,082.85

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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.