Home / 1,875.24-2,812.86-1,015.02

Finding the Fourth Proportional to 1,875.24, 2,812.86 and 1,015.02

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Solution

The fourth proportional to 1,875.24, 2,812.86 and 1,015.02 is: 1,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.24 : 2,812.86 = 1,015.02 : x
  2. Step 2: Convert to fraction form
    1,875.24/2,812.86 = 1,015.02/x
  3. Step 3: Cross multiply
    1,875.24x = 2,812.86 × 1,015.02
  4. Step 4: Simplify right side
    1,875.24x = 2,855,109.16
  5. Step 5: Solve for x
    x = 2,855,109.16/1,875.24
  6. Step 6: Final answer
    x = 1,522.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.