Home / 1,570.45-2,354.81-1,015.08

Finding the Fourth Proportional to 1,570.45, 2,354.81 and 1,015.08

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Solution

The fourth proportional to 1,570.45, 2,354.81 and 1,015.08 is: 1,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.45 : 2,354.81 = 1,015.08 : x
  2. Step 2: Convert to fraction form
    1,570.45/2,354.81 = 1,015.08/x
  3. Step 3: Cross multiply
    1,570.45x = 2,354.81 × 1,015.08
  4. Step 4: Simplify right side
    1,570.45x = 2,390,312.97
  5. Step 5: Solve for x
    x = 2,390,312.97/1,570.45
  6. Step 6: Final answer
    x = 1,522.06

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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.