Home / 1,775.13-2,659.05-1,570.20

Finding the Fourth Proportional to 1,775.13, 2,659.05 and 1,570.20

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Solution

The fourth proportional to 1,775.13, 2,659.05 and 1,570.20 is: 2,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.13 : 2,659.05 = 1,570.20 : x
  2. Step 2: Convert to fraction form
    1,775.13/2,659.05 = 1,570.20/x
  3. Step 3: Cross multiply
    1,775.13x = 2,659.05 × 1,570.20
  4. Step 4: Simplify right side
    1,775.13x = 4,175,240.31
  5. Step 5: Solve for x
    x = 4,175,240.31/1,775.13
  6. Step 6: Final answer
    x = 2,352.08

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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.