Home / 1,526.68-2,106.74-1,028.53

Finding the Fourth Proportional to 1,526.68, 2,106.74 and 1,028.53

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Solution

The fourth proportional to 1,526.68, 2,106.74 and 1,028.53 is: 1,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.68 : 2,106.74 = 1,028.53 : x
  2. Step 2: Convert to fraction form
    1,526.68/2,106.74 = 1,028.53/x
  3. Step 3: Cross multiply
    1,526.68x = 2,106.74 × 1,028.53
  4. Step 4: Simplify right side
    1,526.68x = 2,166,850.50
  5. Step 5: Solve for x
    x = 2,166,850.50/1,526.68
  6. Step 6: Final answer
    x = 1,419.32

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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.