Home / 3,574.22-5,360.67-977.13

Finding the Fourth Proportional to 3,574.22, 5,360.67 and 977.13

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Solution

The fourth proportional to 3,574.22, 5,360.67 and 977.13 is: 1,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.22 : 5,360.67 = 977.13 : x
  2. Step 2: Convert to fraction form
    3,574.22/5,360.67 = 977.13/x
  3. Step 3: Cross multiply
    3,574.22x = 5,360.67 × 977.13
  4. Step 4: Simplify right side
    3,574.22x = 5,238,066.59
  5. Step 5: Solve for x
    x = 5,238,066.59/3,574.22
  6. Step 6: Final answer
    x = 1,465.52

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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.