Home / 7,042.32-10,564.66-3,146.58

Finding the Fourth Proportional to 7,042.32, 10,564.66 and 3,146.58

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Solution

The fourth proportional to 7,042.32, 10,564.66 and 3,146.58 is: 4,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.32 : 10,564.66 = 3,146.58 : x
  2. Step 2: Convert to fraction form
    7,042.32/10,564.66 = 3,146.58/x
  3. Step 3: Cross multiply
    7,042.32x = 10,564.66 × 3,146.58
  4. Step 4: Simplify right side
    7,042.32x = 33,242,547.86
  5. Step 5: Solve for x
    x = 33,242,547.86/7,042.32
  6. Step 6: Final answer
    x = 4,720.40

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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.